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Math Problems
Grade 7
Solve equations involving like terms
Solve for
c
c
c
.
\newline
4
c
−
3
c
=
14
4c - 3c = 14
4
c
−
3
c
=
14
\newline
c
=
c =
c
=
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-
9
x
9x
9
x
+
8
y
8y
8
y
=-
9
9
9
,
5
x
5x
5
x
+
2
y
2y
2
y
=
5
5
5
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Find the value of each variable.
\newline
1000
−
m
=
101
1000-m=101
1000
−
m
=
101
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Find solutions for the following
2
x
+
5
y
=
13
2x+5y=13
2
x
+
5
y
=
13
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Solve for
y
y
y
:
6
y
+
3
y
−
y
=
24
6y+3y-y=24
6
y
+
3
y
−
y
=
24
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3
a
−
7
=
26
3a-7=26
3
a
−
7
=
26
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9
x
+
4
y
=
5
,
4
x
−
5
y
=
9
9 x+4 y=5,4 x-5 y=9
9
x
+
4
y
=
5
,
4
x
−
5
y
=
9
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Solve for
q
q
q
.
\newline
7
q
−
5
q
=
16
7q - 5q = 16
7
q
−
5
q
=
16
\newline
q
q
q
= ____
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Solve for
m
m
m
.
\newline
7
m
−
6
m
=
13
7m - 6m = 13
7
m
−
6
m
=
13
\newline
m
=
m =
m
=
____
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Solve for
m
m
m
..
\newline
18
m
−
16
m
=
20
18m - 16m = 20
18
m
−
16
m
=
20
\newline
m
m
m
= ____
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Solve for
a
a
a
.
\newline
5
a
−
4
a
=
15
5a - 4a = 15
5
a
−
4
a
=
15
\newline
a
a
a
= ____
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The given system of equations has solution
(
x
,
y
)
(x,y)
(
x
,
y
)
. What is the value of
x
x
x
?
\newline
3
x
+
y
=
3
3x+y=3
3
x
+
y
=
3
\newline
7
x
−
y
=
2
7x-y=2
7
x
−
y
=
2
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The given system of equations has solution
(
x
,
y
)
(x,y)
(
x
,
y
)
. What is the value of
x
x
x
?
\newline
\begin{align*} 3x+y &= 3 \ \newline7x-y &= 2 \end{align*}
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Solve the system of equations.
\newline
y
=
−
2
y=-2
y
=
−
2
\newline
4
x
−
3
y
=
18
4x-3y=18
4
x
−
3
y
=
18
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y
=
−
3
x
+
5
y=-3x+5
y
=
−
3
x
+
5
\newline
5
x
−
4
y
=
−
3
5x-4y=-3
5
x
−
4
y
=
−
3
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3
x
−
4
y
=
10
;
4
x
+
3
y
=
5
3x - 4y = 10 ; 4x + 3y = 5
3
x
−
4
y
=
10
;
4
x
+
3
y
=
5
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Solve the equation
3
x
−
5
=
25
−
2
x
3x-5=25-2x
3
x
−
5
=
25
−
2
x
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4
9
k
=
8
\frac{4}{9}k = 8
9
4
k
=
8
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Solve the following simultaneous equation
\newline
x
+
2
y
=
1
,
3
x
−
y
=
17
x+2 y=1,3 x-y=17
x
+
2
y
=
1
,
3
x
−
y
=
17
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Solve the system of equations :
\newline
2
x
+
3
y
=
10
2x+3y=10
2
x
+
3
y
=
10
.
\newline
4
x
+
7
y
=
21
4x+7y=21
4
x
+
7
y
=
21
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6
x
+
2
y
=
−
26
6x+2y=-26
6
x
+
2
y
=
−
26
x
−
6
y
=
21
x-6y=21
x
−
6
y
=
21
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3
x
+
5
y
=
52
3 x+5 y=52
3
x
+
5
y
=
52
\newline
2
x
+
4
y
=
38
2 x+4 y=38
2
x
+
4
y
=
38
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Solve for
c
c
c
.
\newline
4
c
−
3
c
=
14
4c - 3c = 14
4
c
−
3
c
=
14
\newline
c = ____
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Solve for
y
y
y
.
\newline
12
y
−
20
y
=
16
12y - 20y = 16
12
y
−
20
y
=
16
\newline
y
=
y =
y
=
__
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Solve for
p
p
p
.
\newline
6
p
−
17
p
=
11
6p - 17p = 11
6
p
−
17
p
=
11
\newline
p
=
p =
p
=
____
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Solve for
d
d
d
.
\newline
10
d
−
6
d
=
4
10d - 6d = 4
10
d
−
6
d
=
4
\newline
d
=
d =
d
=
____
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3
x
+
6
y
=
15
,
x
+
y
=
3
,
y
=
?
3x+6y=15, x+y=3, y=?
3
x
+
6
y
=
15
,
x
+
y
=
3
,
y
=
?
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5
x
=
10
5x=10
5
x
=
10
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2
x
−
4
y
=
44
2x - 4y = 44
2
x
−
4
y
=
44
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4
y
=
16
4y=16
4
y
=
16
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Evaluate
P
2
−
5
\frac{P}{2} - 5
2
P
−
5
when
P
=
14
P=14
P
=
14
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9
x
=
18
9x=18
9
x
=
18
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Solve for
n
\mathrm{n}
n
.
\newline
−
2
n
=
−
10
-2 n=-10
−
2
n
=
−
10
\newline
Answer:
n
=
n=
n
=
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Find the value of
x
x
x
in the equation below.
\newline
2
x
=
18
2 x=18
2
x
=
18
\newline
Answer:
x
=
x=
x
=
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Find the value of
x
x
x
in the equation below.
\newline
5
x
=
15
5 x=15
5
x
=
15
\newline
Answer:
x
=
x=
x
=
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