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Math Problems
Algebra 1
Identify equivalent equations
Select all of the equations below that are equivalent to:
\newline
9
=
q
+
r
9 = q + r
9
=
q
+
r
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
11
=
q
+
r
+
2
11 = q + r + 2
11
=
q
+
r
+
2
\newline
(B)
14
=
q
+
r
+
5
14 = q + r + 5
14
=
q
+
r
+
5
\newline
(C)
16
=
7
+
q
+
r
16 = 7 + q + r
16
=
7
+
q
+
r
\newline
(D)
18
=
9
+
q
+
r
18 = 9 + q + r
18
=
9
+
q
+
r
Get tutor help
Select all of the equations below that are equivalent to:
\newline
−
20
=
p
q
-20 = pq
−
20
=
pq
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
60
=
p
q
⋅
−
3
60 = pq \cdot -3
60
=
pq
⋅
−
3
\newline
(B)
40
=
−
2
p
q
40 = -2pq
40
=
−
2
pq
\newline
(C)
100
=
p
q
⋅
−
5
100 = pq \cdot -5
100
=
pq
⋅
−
5
\newline
(D)
80
=
−
4
p
q
80 = -4pq
80
=
−
4
pq
Get tutor help
Select all of the equations below that are equivalent to:
\newline
8
=
y
−
15
8 = y - 15
8
=
y
−
15
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
8
+
8
=
y
−
5
8 + 8 = y - 5
8
+
8
=
y
−
5
\newline
(B)
8
+
12
=
y
−
3
8 + 12 = y - 3
8
+
12
=
y
−
3
\newline
(C)
8
+
10
=
y
−
5
8 + 10 = y - 5
8
+
10
=
y
−
5
\newline
(D)
8
+
10
=
y
−
3
8 + 10 = y - 3
8
+
10
=
y
−
3
Get tutor help
Select all of the equations below that are equivalent to:
\newline
8
−
c
=
13
8 - c = 13
8
−
c
=
13
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
8
−
c
+
5
=
18
8 - c + 5 = 18
8
−
c
+
5
=
18
\newline
(B)
8
−
c
+
2
=
15
8 - c + 2 = 15
8
−
c
+
2
=
15
\newline
(C)
16
−
c
=
9
+
13
16 - c = 9 + 13
16
−
c
=
9
+
13
\newline
(D)
8
−
c
+
3
=
15
8 - c + 3 = 15
8
−
c
+
3
=
15
Get tutor help
Select all of the equations below that are equivalent to:
\newline
−
71
p
=
25
-71p = 25
−
71
p
=
25
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
−
71
p
5
=
5
-\frac{71p}{5} = 5
−
5
71
p
=
5
\newline
(B)
−
71
p
−
5
=
−
4
-\frac{71p}{-5} = -4
−
−
5
71
p
=
−
4
\newline
(C)
−
71
p
−
5
=
−
5
-\frac{71p}{-5} = -5
−
−
5
71
p
=
−
5
\newline
(D)
−
71
p
5
=
3
-\frac{71p}{5} = 3
−
5
71
p
=
3
Get tutor help
Select all of the equations below that are equivalent to:
\newline
−
6
=
m
n
-6 = mn
−
6
=
mn
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
−
2
=
m
n
3
-2 = \frac{mn}{3}
−
2
=
3
mn
\newline
(B)
−
5
=
m
n
2
-5 = \frac{mn}{2}
−
5
=
2
mn
\newline
(C)
−
3
=
m
n
3
-3 = \frac{mn}{3}
−
3
=
3
mn
\newline
(D)
4
=
m
n
−
3
4 = \frac{mn}{-3}
4
=
−
3
mn
Get tutor help
Select all of the equations below that are equivalent to:
\newline
x
+
y
=
13
x + y = 13
x
+
y
=
13
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
3
+
x
+
y
=
15
3 + x + y = 15
3
+
x
+
y
=
15
\newline
(B)
x
+
y
+
2
=
15
x + y + 2 = 15
x
+
y
+
2
=
15
\newline
(C)
x
+
y
+
4
=
19
x + y + 4 = 19
x
+
y
+
4
=
19
\newline
(D)
7
+
x
+
y
=
19
7 + x + y = 19
7
+
x
+
y
=
19
Get tutor help
Select all of the equations below that are equivalent to:
\newline
13
q
=
16
13q = 16
13
q
=
16
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
13
q
−
10
=
6
13q − 10 = 6
13
q
− 10
=
6
\newline
(B)
13
q
−
3
=
11
13q − 3 = 11
13
q
− 3
=
11
\newline
(C)
13
q
−
8
=
8
13q − 8 = 8
13
q
− 8
=
8
\newline
(D)
13
q
−
5
=
9
13q − 5 = 9
13
q
− 5
=
9
Get tutor help
Select all of the equations below that are equivalent to:
\newline
3
=
b
+
15
3 = b + 15
3
=
b
+
15
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
8
=
5
+
b
+
15
8 = 5 + b + 15
8
=
5
+
b
+
15
\newline
(B)
6
=
3
+
b
+
15
6 = 3 + b + 15
6
=
3
+
b
+
15
\newline
(C)
9
=
b
+
15
+
6
9 = b + 15 + 6
9
=
b
+
15
+
6
\newline
(D)
20
=
17
+
b
+
15
20 = 17 + b + 15
20
=
17
+
b
+
15
Get tutor help
Select all of the equations below that are equivalent to:
\newline
p
+
q
=
17
p + q = 17
p
+
q
=
17
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
p
+
q
−
2
=
17
p + q - 2 = 17
p
+
q
−
2
=
17
\newline
(B)
p
+
q
−
5
=
13
p + q - 5 = 13
p
+
q
−
5
=
13
\newline
(C)
p
+
q
−
2
=
15
p + q - 2 = 15
p
+
q
−
2
=
15
\newline
(D)
p
+
q
−
8
=
8
p + q - 8 = 8
p
+
q
−
8
=
8
Get tutor help
Select all of the equations below that are equivalent to:
\newline
r
s
=
11
rs = 11
rs
=
11
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
r
s
+
2
=
13
rs + 2 = 13
rs
+
2
=
13
\newline
(B)
9
+
r
s
=
20
9 + rs = 20
9
+
rs
=
20
\newline
(C)
3
+
r
s
=
14
3 + rs = 14
3
+
rs
=
14
\newline
(D)
r
s
+
5
=
16
rs + 5 = 16
rs
+
5
=
16
Get tutor help
Select all of the equations below that are equivalent to:
\newline
−
10
=
g
h
-10 = gh
−
10
=
g
h
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
4
=
g
h
−
5
4 = \frac{gh}{-5}
4
=
−
5
g
h
\newline
(B)
−
2
=
g
h
5
-2 = \frac{gh}{5}
−
2
=
5
g
h
\newline
(C)
5
=
g
h
−
2
5 = \frac{gh}{-2}
5
=
−
2
g
h
\newline
(D)
2
=
g
h
−
5
2 = \frac{gh}{-5}
2
=
−
5
g
h
Get tutor help
Select all of the equations below that are equivalent to:
\newline
j
−
k
=
−
3
j - k = -3
j
−
k
=
−
3
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
(
j
−
k
)
⋅
28
=
−
84
(j - k) \cdot 28 = -84
(
j
−
k
)
⋅
28
=
−
84
\newline
(B)
(
j
−
k
)
⋅
−
32
=
96
(j - k) \cdot -32 = 96
(
j
−
k
)
⋅
−
32
=
96
\newline
(C)
(
j
−
k
)
⋅
−
31
=
93
(j - k) \cdot -31 = 93
(
j
−
k
)
⋅
−
31
=
93
\newline
(D)
9
(
j
−
k
)
=
−
27
9(j - k) = -27
9
(
j
−
k
)
=
−
27
Get tutor help
Select all of the equations below that are equivalent to:
\newline
x
+
9
=
11
x + 9 = 11
x
+
9
=
11
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
x
+
9
−
6
=
6
x + 9 - 6 = 6
x
+
9
−
6
=
6
\newline
(B)
x
+
9
−
6
=
5
x + 9 - 6 = 5
x
+
9
−
6
=
5
\newline
(C)
x
+
9
−
3
=
9
x + 9 - 3 = 9
x
+
9
−
3
=
9
\newline
(D)
x
+
9
−
4
=
6
x + 9 - 4 = 6
x
+
9
−
4
=
6
Get tutor help
Select all of the equations below that are equivalent to:
\newline
16
=
g
h
16 = gh
16
=
g
h
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
13
=
g
h
−
3
13 = gh - 3
13
=
g
h
−
3
\newline
(B)
11
=
g
h
−
3
11 = gh - 3
11
=
g
h
−
3
\newline
(C)
11
=
g
h
−
4
11 = gh - 4
11
=
g
h
−
4
\newline
(D)
2
=
g
h
−
12
2 = gh - 12
2
=
g
h
−
12
Get tutor help
Select all of the equations below that are equivalent to:
\newline
g
h
=
13
gh = 13
g
h
=
13
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
g
h
−
11
=
2
gh − 11 = 2
g
h
− 11
=
2
\newline
(B)
g
h
−
2
=
11
gh − 2 = 11
g
h
− 2
=
11
\newline
(C)
g
h
−
7
=
7
gh − 7 = 7
g
h
− 7
=
7
\newline
(D)
g
h
−
3
=
9
gh − 3 = 9
g
h
− 3
=
9
Get tutor help
Select all of the equations below that are equivalent to:
\newline
v
w
=
−
4
vw = -4
v
w
=
−
4
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
v
w
⋅
−
2
=
8
vw \cdot -2 = 8
v
w
⋅
−
2
=
8
\newline
(B)
v
w
⋅
25
=
−
100
vw \cdot 25 = -100
v
w
⋅
25
=
−
100
\newline
(C)
−
16
v
w
=
48
-16vw = 48
−
16
v
w
=
48
\newline
(D)
v
w
⋅
−
8
=
32
vw \cdot -8 = 32
v
w
⋅
−
8
=
32
Get tutor help
Select all of the equations below that are equivalent to:
\newline
16
h
=
7
16h = 7
16
h
=
7
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
16
h
+
13
=
20
16h + 13 = 20
16
h
+
13
=
20
\newline
(B)
2
+
16
h
=
9
2 + 16h = 9
2
+
16
h
=
9
\newline
(C)
16
h
+
8
=
15
16h + 8 = 15
16
h
+
8
=
15
\newline
(D)
5
+
16
h
=
12
5 + 16h = 12
5
+
16
h
=
12
Get tutor help
Select all of the equations below that are equivalent to:
\newline
90
+
n
=
−
39
90 + n = -39
90
+
n
=
−
39
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
90
+
n
13
=
−
5
90 + \frac{n}{13} = -5
90
+
13
n
=
−
5
\newline
(B)
90
+
n
3
=
−
15
90 + \frac{n}{3} = -15
90
+
3
n
=
−
15
\newline
(C)
90
+
n
13
=
−
3
90 + \frac{n}{13} = -3
90
+
13
n
=
−
3
\newline
(D)
90
+
n
−
3
=
13
90 + \frac{n}{-3} = 13
90
+
−
3
n
=
13
Get tutor help
Select all of the equations below that are equivalent to:
\newline
−
21
=
4
r
-21 = 4r
−
21
=
4
r
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
−
22
⋅
−
21
=
−
88
r
-22 \cdot -21 = -88r
−
22
⋅
−
21
=
−
88
r
\newline
(B)
−
23
⋅
−
21
=
−
92
r
-23 \cdot -21 = -92r
−
23
⋅
−
21
=
−
92
r
\newline
(C)
42
=
4
r
⋅
−
2
42 = 4r \cdot -2
42
=
4
r
⋅
−
2
\newline
(D)
−
84
=
4
r
⋅
4
-84 = 4r \cdot 4
−
84
=
4
r
⋅
4
Get tutor help
Select all of the equations below that are equivalent to:
\newline
−
38
n
=
92
-38n = 92
−
38
n
=
92
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
−
38
n
−
23
=
−
4
-\frac{38n}{-23} = -4
−
−
23
38
n
=
−
4
\newline
(B)
−
38
n
23
=
4
-\frac{38n}{23} = 4
−
23
38
n
=
4
\newline
(C)
19
n
=
92
−
2
19n = \frac{92}{-2}
19
n
=
−
2
92
\newline
(D)
−
38
n
23
=
2
-\frac{38n}{23} = 2
−
23
38
n
=
2
Get tutor help
Select all of the equations below that are equivalent to:
\newline
9
=
s
+
9
9 = s + 9
9
=
s
+
9
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
9
+
3
=
s
+
12
9 + 3 = s + 12
9
+
3
=
s
+
12
\newline
(B)
9
+
6
=
s
+
13
9 + 6 = s + 13
9
+
6
=
s
+
13
\newline
(C)
19
=
11
+
s
+
9
19 = 11 + s + 9
19
=
11
+
s
+
9
\newline
(D)
9
+
8
=
s
+
15
9 + 8 = s + 15
9
+
8
=
s
+
15
Get tutor help
Select all of the equations below that are equivalent to:
\newline
m
+
n
=
15
m + n = 15
m
+
n
=
15
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
5
+
m
+
n
=
20
5 + m + n = 20
5
+
m
+
n
=
20
\newline
(B)
m
+
n
+
4
=
20
m + n + 4 = 20
m
+
n
+
4
=
20
\newline
(C)
3
+
m
+
n
=
16
3 + m + n = 16
3
+
m
+
n
=
16
\newline
(D)
2
+
m
+
n
=
18
2 + m + n = 18
2
+
m
+
n
=
18
Get tutor help
Select all of the equations below that are equivalent to:
\newline
17
=
j
k
17 = jk
17
=
jk
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
9
=
j
k
−
10
9 = jk - 10
9
=
jk
−
10
\newline
(B)
5
=
j
k
−
13
5 = jk - 13
5
=
jk
−
13
\newline
(C)
7
=
j
k
−
10
7 = jk - 10
7
=
jk
−
10
\newline
(D)
4
=
j
k
−
12
4 = jk - 12
4
=
jk
−
12
Get tutor help
Select all of the equations below that are equivalent to:
\newline
−
19
=
−
25
k
-19 = -25k
−
19
=
−
25
k
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
76
=
−
4
⋅
−
25
k
76 = -4 \cdot -25k
76
=
−
4
⋅
−
25
k
\newline
(B)
−
54
=
−
25
k
⋅
3
-54 = -25k \cdot 3
−
54
=
−
25
k
⋅
3
\newline
(C)
−
38
=
2
⋅
−
25
k
-38 = 2 \cdot -25k
−
38
=
2
⋅
−
25
k
\newline
(D)
−
2
⋅
−
19
=
50
k
-2 \cdot -19 = 50k
−
2
⋅
−
19
=
50
k
Get tutor help
Select all of the equations below that are equivalent to:
\newline
p
q
=
4
pq = 4
pq
=
4
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
6
+
p
q
=
10
6 + pq = 10
6
+
pq
=
10
\newline
(B)
p
q
+
12
=
15
pq + 12 = 15
pq
+
12
=
15
\newline
(C)
p
q
+
6
=
8
pq + 6 = 8
pq
+
6
=
8
\newline
(D)
p
q
+
4
=
6
pq + 4 = 6
pq
+
4
=
6
Get tutor help
Select all of the equations below that are equivalent to:
\newline
20
=
14
+
h
20 = 14 + h
20
=
14
+
h
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
9
=
14
+
h
−
10
9 = 14 + h - 10
9
=
14
+
h
−
10
\newline
(B)
15
=
14
+
h
−
5
15 = 14 + h - 5
15
=
14
+
h
−
5
\newline
(C)
16
=
14
+
h
−
3
16 = 14 + h - 3
16
=
14
+
h
−
3
\newline
(D)
2
=
14
+
h
−
17
2 = 14 + h - 17
2
=
14
+
h
−
17
Get tutor help
Select all of the equations below that are equivalent to:
\newline
w
+
−
5
=
28
w + -5 = 28
w
+
−
5
=
28
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
−
3
(
w
+
−
5
)
=
−
84
-3(w + -5) = -84
−
3
(
w
+
−
5
)
=
−
84
\newline
(B)
−
16
w
+
80
=
−
16
⋅
28
-16w + 80 = -16 \cdot 28
−
16
w
+
80
=
−
16
⋅
28
\newline
(C)
7
w
+
−
35
=
7
⋅
28
7w + -35 = 7 \cdot 28
7
w
+
−
35
=
7
⋅
28
\newline
(D)
2
(
w
+
−
5
)
=
56
2(w + -5) = 56
2
(
w
+
−
5
)
=
56
Get tutor help
Select all of the equations below that are equivalent to:
\newline
−
49
=
x
y
-49 = xy
−
49
=
x
y
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
−
7
=
x
y
7
-7 = \frac{xy}{7}
−
7
=
7
x
y
\newline
(B)
5
=
x
y
−
7
5 = \frac{xy}{-7}
5
=
−
7
x
y
\newline
(C)
−
8
=
x
y
7
-8 = \frac{xy}{7}
−
8
=
7
x
y
\newline
(D)
7
=
x
y
−
7
7 = \frac{xy}{-7}
7
=
−
7
x
y
Get tutor help
Select all of the equations below that are equivalent to:
\newline
12
=
r
−
s
12 = r - s
12
=
r
−
s
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
18
=
8
+
r
−
s
18 = 8 + r - s
18
=
8
+
r
−
s
\newline
(B)
15
=
r
−
s
+
2
15 = r - s + 2
15
=
r
−
s
+
2
\newline
(C)
18
=
r
−
s
+
6
18 = r - s + 6
18
=
r
−
s
+
6
\newline
(D)
18
=
r
−
s
+
7
18 = r - s + 7
18
=
r
−
s
+
7
Get tutor help
Select all of the equations below that are equivalent to:
\newline
12
=
x
y
12 = xy
12
=
x
y
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
2
=
x
y
−
9
2 = xy - 9
2
=
x
y
−
9
\newline
(B)
7
=
x
y
−
5
7 = xy - 5
7
=
x
y
−
5
\newline
(C)
4
=
x
y
−
8
4 = xy - 8
4
=
x
y
−
8
\newline
(D)
2
=
x
y
−
10
2 = xy - 10
2
=
x
y
−
10
Get tutor help
Select all of the equations below that are equivalent to:
\newline
9
=
8
z
9 = 8z
9
=
8
z
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
13
=
8
z
+
4
13 = 8z + 4
13
=
8
z
+
4
\newline
(B)
14
=
5
+
8
z
14 = 5 + 8z
14
=
5
+
8
z
\newline
(C)
11
=
8
z
+
2
11 = 8z + 2
11
=
8
z
+
2
\newline
(D)
20
=
8
z
+
11
20 = 8z + 11
20
=
8
z
+
11
Get tutor help
Select all of the equations below that are equivalent to:
\newline
q
r
=
13
qr = 13
q
r
=
13
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
q
r
−
4
=
10
qr - 4 = 10
q
r
−
4
=
10
\newline
(B)
q
r
−
4
=
9
qr - 4 = 9
q
r
−
4
=
9
\newline
(C)
q
r
−
2
=
13
qr - 2 = 13
q
r
−
2
=
13
\newline
(D)
q
r
−
3
=
9
qr - 3 = 9
q
r
−
3
=
9
Get tutor help
Select all of the equations below that are equivalent to:
\newline
54
=
s
t
54 = st
54
=
s
t
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
27
=
s
t
2
27 = \frac{st}{2}
27
=
2
s
t
\newline
(B)
3
=
s
t
18
3 = \frac{st}{18}
3
=
18
s
t
\newline
(C)
8
=
s
t
6
8 = \frac{st}{6}
8
=
6
s
t
\newline
(D)
–
27
=
s
t
–
2
\text{–}27 = \frac{st}{\text{–}2}
–
27
=
–
2
s
t
Get tutor help
Select all of the equations below that are equivalent to:
\newline
u
v
=
12
uv = 12
uv
=
12
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
3
+
u
v
=
16
3 + uv = 16
3
+
uv
=
16
\newline
(B)
u
v
+
7
=
17
uv + 7 = 17
uv
+
7
=
17
\newline
(C)
u
v
+
2
=
16
uv + 2 = 16
uv
+
2
=
16
\newline
(D)
4
+
u
v
=
16
4 + uv = 16
4
+
uv
=
16
Get tutor help
Select all of the equations below that are equivalent to:
\newline
p
q
=
98
pq = 98
pq
=
98
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
p
q
−
2
=
−
49
\frac{pq}{-2} = -49
−
2
pq
=
−
49
\newline
(B)
p
q
−
7
=
−
14
\frac{pq}{-7} = -14
−
7
pq
=
−
14
\newline
(C)
p
q
2
=
49
\frac{pq}{2} = 49
2
pq
=
49
\newline
(D)
p
q
14
=
7
\frac{pq}{14} = 7
14
pq
=
7
Get tutor help
Select all of the equations below that are equivalent to:
\newline
−
11
=
−
14
c
-11 = -14c
−
11
=
−
14
c
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
−
81
=
−
14
c
⋅
9
-81 = -14c \cdot 9
−
81
=
−
14
c
⋅
9
\newline
(B)
77
=
−
7
⋅
−
14
c
77 = -7 \cdot -14c
77
=
−
7
⋅
−
14
c
\newline
(C)
72
=
−
14
c
⋅
−
6
72 = -14c \cdot -6
72
=
−
14
c
⋅
−
6
\newline
(D)
4
⋅
−
11
=
−
52
c
4 \cdot -11 = -52c
4
⋅
−
11
=
−
52
c
Get tutor help
Select all of the equations below that are equivalent to:
\newline
9
n
=
14
9n = 14
9
n
=
14
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
9
n
−
3
=
11
9n − 3 = 11
9
n
− 3
=
11
\newline
(B)
9
n
−
7
=
7
9n − 7 = 7
9
n
− 7
=
7
\newline
(C)
9
n
−
2
=
12
9n − 2 = 12
9
n
− 2
=
12
\newline
(D)
9
n
−
10
=
4
9n − 10 = 4
9
n
− 10
=
4
Get tutor help
Select all of the equations below that are equivalent to:
\newline
18
−
c
=
15
18 - c = 15
18
−
c
=
15
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
18
−
c
−
10
=
6
18 - c - 10 = 6
18
−
c
−
10
=
6
\newline
(B)
18
−
c
−
12
=
3
18 - c - 12 = 3
18
−
c
−
12
=
3
\newline
(C)
18
−
c
−
2
=
13
18 - c - 2 = 13
18
−
c
−
2
=
13
\newline
(D)
18
−
c
−
12
=
5
18 - c - 12 = 5
18
−
c
−
12
=
5
Get tutor help
Select all of the equations below that are equivalent to:
\newline
q
+
−
5
=
−
21
q + -5 = -21
q
+
−
5
=
−
21
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
−
15
q
+
75
=
−
15
⋅
−
21
-15q + 75 = -15 \cdot -21
−
15
q
+
75
=
−
15
⋅
−
21
\newline
(B)
−
5
q
+
25
=
−
5
⋅
−
21
-5q + 25 = -5 \cdot -21
−
5
q
+
25
=
−
5
⋅
−
21
\newline
(C)
−
2
q
+
10
=
−
2
⋅
−
21
-2q + 10 = -2 \cdot -21
−
2
q
+
10
=
−
2
⋅
−
21
\newline
(D)
(
q
+
−
5
)
⋅
−
4
=
84
(q + -5) \cdot -4 = 84
(
q
+
−
5
)
⋅
−
4
=
84
Get tutor help
Select all of the equations below that are equivalent to:
\newline
10
=
5
+
r
10 = 5 + r
10
=
5
+
r
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
20
=
9
+
5
+
r
20 = 9 + 5 + r
20
=
9
+
5
+
r
\newline
(B)
14
=
4
+
5
+
r
14 = 4 + 5 + r
14
=
4
+
5
+
r
\newline
(C)
13
=
3
+
5
+
r
13 = 3 + 5 + r
13
=
3
+
5
+
r
\newline
(D)
14
=
3
+
5
+
r
14 = 3 + 5 + r
14
=
3
+
5
+
r
Get tutor help
Select all of the equations below that are equivalent to:
\newline
27
=
w
x
27 = wx
27
=
w
x
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
−
54
=
w
x
⋅
−
2
-54 = wx \cdot -2
−
54
=
w
x
⋅
−
2
\newline
(B)
75
=
3
w
x
75 = 3wx
75
=
3
w
x
\newline
(C)
−
81
=
−
3
w
x
-81 = -3wx
−
81
=
−
3
w
x
\newline
(D)
81
=
w
x
⋅
3
81 = wx \cdot 3
81
=
w
x
⋅
3
Get tutor help
Select all of the equations below that are equivalent to:
\newline
j
+
5
=
3
j + 5 = 3
j
+
5
=
3
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
22
(
j
+
5
)
=
66
22(j + 5) = 66
22
(
j
+
5
)
=
66
\newline
(B)
(
j
+
5
)
⋅
7
=
21
(j + 5) \cdot 7 = 21
(
j
+
5
)
⋅
7
=
21
\newline
(C)
−
18
(
j
+
5
)
=
−
36
-18(j + 5) = -36
−
18
(
j
+
5
)
=
−
36
\newline
(D)
(
j
+
5
)
⋅
23
=
69
(j + 5) \cdot 23 = 69
(
j
+
5
)
⋅
23
=
69
Get tutor help
Select all of the equations below that are equivalent to:
\newline
20
=
y
−
z
20 = y - z
20
=
y
−
z
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
16
=
y
−
z
−
4
16 = y - z - 4
16
=
y
−
z
−
4
\newline
(B)
7
=
y
−
z
−
13
7 = y - z - 13
7
=
y
−
z
−
13
\newline
(C)
18
=
y
−
z
−
2
18 = y - z - 2
18
=
y
−
z
−
2
\newline
(D)
8
=
y
−
z
−
12
8 = y - z - 12
8
=
y
−
z
−
12
Get tutor help
Select all of the equations below that are equivalent to:
\newline
7
−
n
=
13
7 - n = 13
7
−
n
=
13
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
7
−
n
−
2
=
11
7 - n - 2 = 11
7
−
n
−
2
=
11
\newline
(B)
7
−
n
−
3
=
10
7 - n - 3 = 10
7
−
n
−
3
=
10
\newline
(C)
7
−
n
−
11
=
2
7 - n - 11 = 2
7
−
n
−
11
=
2
\newline
(D)
7
−
n
−
10
=
3
7 - n - 10 = 3
7
−
n
−
10
=
3
Get tutor help
Select all of the equations below that are equivalent to:
\newline
19
=
m
−
n
19 = m - n
19
=
m
−
n
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
12
=
m
−
n
−
7
12 = m - n - 7
12
=
m
−
n
−
7
\newline
(B)
16
=
m
−
n
−
3
16 = m - n - 3
16
=
m
−
n
−
3
\newline
(C)
13
=
m
−
n
−
6
13 = m - n - 6
13
=
m
−
n
−
6
\newline
(D)
3
=
m
−
n
−
16
3 = m - n - 16
3
=
m
−
n
−
16
Get tutor help
Select all of the equations below that are equivalent to:
\newline
p
+
7
=
13
p + 7 = 13
p
+
7
=
13
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
p
+
7
+
3
=
16
p + 7 + 3 = 16
p
+
7
+
3
=
16
\newline
(B)
p
+
12
=
13
+
5
p + 12 = 13 + 5
p
+
12
=
13
+
5
\newline
(C)
p
+
11
=
13
+
4
p + 11 = 13 + 4
p
+
11
=
13
+
4
\newline
(D)
5
+
p
+
7
=
18
5 + p + 7 = 18
5
+
p
+
7
=
18
Get tutor help
Select all of the equations below that are equivalent to:
\newline
8
=
9
−
r
8 = 9 - r
8
=
9
−
r
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
18
=
9
−
r
+
8
18 = 9 - r + 8
18
=
9
−
r
+
8
\newline
(B)
16
=
6
+
9
−
r
16 = 6 + 9 - r
16
=
6
+
9
−
r
\newline
(C)
20
=
9
−
r
+
12
20 = 9 - r + 12
20
=
9
−
r
+
12
\newline
(D)
14
=
6
+
9
−
r
14 = 6 + 9 - r
14
=
6
+
9
−
r
Get tutor help
Select all of the equations below that are equivalent to:
\newline
62
=
v
+
w
62 = v + w
62
=
v
+
w
\newline
Use properties of equality.
\newline
Multi-select Choices:
\newline
(A)
−
31
=
v
+
w
−
2
-31 = \frac{v + w}{-2}
−
31
=
−
2
v
+
w
\newline
(B)
2
=
v
+
w
31
2 = \frac{v + w}{31}
2
=
31
v
+
w
\newline
(C)
−
2
=
v
+
w
−
31
-2 = \frac{v + w}{-31}
−
2
=
−
31
v
+
w
\newline
(D)
31
=
v
+
w
2
31 = \frac{v + w}{2}
31
=
2
v
+
w
Get tutor help
Select all of the equations below that are equivalent to:
\newline
−
24
=
−
10
k
-24 = -10k
−
24
=
−
10
k
\newline
Use properties of equality.
\newline
\newline
Multi-select Choices:
\newline
(A)
−
69
=
−
10
k
⋅
3
-69 = -10k \cdot 3
−
69
=
−
10
k
⋅
3
\newline
(B)
10
⋅
−
24
=
−
100
k
10 \cdot -24 = -100k
10
⋅
−
24
=
−
100
k
\newline
(C)
69
=
−
3
⋅
−
10
k
69 = -3 \cdot -10k
69
=
−
3
⋅
−
10
k
\newline
(D)
−
88
=
4
⋅
−
10
k
-88 = 4 \cdot -10k
−
88
=
4
⋅
−
10
k
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