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Math Problems
Grade 7
Add and subtract linear expressions
Add.
\newline
(
2
n
+
4
)
+
(
4
n
+
2
)
(2n + 4) + (4n + 2)
(
2
n
+
4
)
+
(
4
n
+
2
)
Get tutor help
Subtract.
\newline
(
4
n
+
5
)
−
(
4
n
+
4
)
(4n + 5) - (4n + 4)
(
4
n
+
5
)
−
(
4
n
+
4
)
Get tutor help
Subtract.
\newline
(
9
v
+
1
)
−
(
8
v
+
1
)
(9v + 1) - (8v + 1)
(
9
v
+
1
)
−
(
8
v
+
1
)
Get tutor help
Add.
\newline
(
3
n
+
8
)
+
(
8
n
+
7
)
(3n + 8) + (8n + 7)
(
3
n
+
8
)
+
(
8
n
+
7
)
Get tutor help
Add.
\newline
(
9
q
+
3
)
+
(
4
q
+
1
)
(9q + 3) + (4q + 1)
(
9
q
+
3
)
+
(
4
q
+
1
)
Get tutor help
Subtract.
\newline
(
5
a
+
9
)
−
(
3
a
+
4
)
(5a + 9) - (3a + 4)
(
5
a
+
9
)
−
(
3
a
+
4
)
Get tutor help
Add.
\newline
(
5
y
+
2
)
+
(
9
y
+
3
)
(5y + 2) + (9y + 3)
(
5
y
+
2
)
+
(
9
y
+
3
)
Get tutor help
Add.
\newline
(
8
w
+
1
)
+
(
w
+
8
)
(8w + 1) + (w + 8)
(
8
w
+
1
)
+
(
w
+
8
)
Get tutor help
Subtract.
\newline
(
5
q
+
1
)
−
(
2
q
+
1
)
(5q + 1) - (2q + 1)
(
5
q
+
1
)
−
(
2
q
+
1
)
Get tutor help
Add.
\newline
(
9
c
+
8
)
+
(
3
c
+
9
)
(9c + 8) + (3c + 9)
(
9
c
+
8
)
+
(
3
c
+
9
)
Get tutor help
Subtract.
\newline
(
8
c
+
8
)
−
(
7
c
+
2
)
(8c + 8) - (7c + 2)
(
8
c
+
8
)
−
(
7
c
+
2
)
Get tutor help
Subtract.
\newline
(
3
r
+
9
)
−
(
2
r
+
6
)
(3r + 9) - (2r + 6)
(
3
r
+
9
)
−
(
2
r
+
6
)
Get tutor help
Add.
\newline
(
z
+
5
)
+
(
8
z
+
9
)
(z + 5) + (8z + 9)
(
z
+
5
)
+
(
8
z
+
9
)
Get tutor help
3
(
2
3
)
+
1
6
+
1
(
1
2
)
3\left(\frac{2}{3}\right)+\frac{1}{6}+1\left(\frac{1}{2}\right)
3
(
3
2
)
+
6
1
+
1
(
2
1
)
Get tutor help
Subtract.
\newline
(
9
g
+
3
)
−
(
6
g
+
1
)
(9g + 3) - (6g + 1)
(
9
g
+
3
)
−
(
6
g
+
1
)
\newline
_____
Get tutor help
Subtract.
\newline
(
6
s
+
6
)
−
(
5
s
+
6
)
(6s + 6) - (5s + 6)
(
6
s
+
6
)
−
(
5
s
+
6
)
\newline
____
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Simplify.
\newline
x
(
x
+
2
x
)
x(x+2x)
x
(
x
+
2
x
)
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Solve for
x
x
x
.
\newline
2
x
5
+
1
6
=
3
x
+
1
2
\frac{2 x}{5}+\frac{1}{6}=\frac{3 x+1}{2}
5
2
x
+
6
1
=
2
3
x
+
1
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Add.
\newline
(
9
h
+
9
)
+
(
4
h
+
4
)
(9h + 9) + (4h + 4)
(
9
h
+
9
)
+
(
4
h
+
4
)
Get tutor help
Subtract.
\newline
(
8
s
+
8
)
−
(
6
s
+
8
)
(8s + 8) - (6s + 8)
(
8
s
+
8
)
−
(
6
s
+
8
)
Get tutor help
Add.
\newline
(
6
d
+
6
)
+
(
d
+
9
)
(6d + 6) + (d + 9)
(
6
d
+
6
)
+
(
d
+
9
)
Get tutor help
Subtract.
\newline
(
9
d
+
8
)
−
(
d
+
1
)
(9d + 8) - (d + 1)
(
9
d
+
8
)
−
(
d
+
1
)
Get tutor help
Add.
\newline
(
3
m
+
8
)
+
(
8
m
+
1
)
(3m + 8) + (8m + 1)
(
3
m
+
8
)
+
(
8
m
+
1
)
Get tutor help
Subtract.
\newline
(
6
j
+
5
)
−
(
2
j
+
4
)
(6j + 5) - (2j + 4)
(
6
j
+
5
)
−
(
2
j
+
4
)
Get tutor help
Subtract.
\newline
(
5
p
+
5
)
−
(
4
p
+
4
)
(5p + 5) - (4p + 4)
(
5
p
+
5
)
−
(
4
p
+
4
)
Get tutor help
Add.
\newline
(
8
n
+
7
)
+
(
n
+
4
)
(8n + 7) + (n + 4)
(
8
n
+
7
)
+
(
n
+
4
)
Get tutor help
Add.
\newline
(
7
n
+
3
)
+
(
4
n
+
6
)
(7n + 3) + (4n + 6)
(
7
n
+
3
)
+
(
4
n
+
6
)
Get tutor help
Subtract.
\newline
(
8
q
+
8
)
−
(
q
+
4
)
(8q + 8) - (q + 4)
(
8
q
+
8
)
−
(
q
+
4
)
Get tutor help
Subtract.
\newline
(
9
u
+
9
)
−
(
2
u
+
3
)
(9u + 9) - (2u + 3)
(
9
u
+
9
)
−
(
2
u
+
3
)
Get tutor help
Subtract.
\newline
(
5
a
+
4
)
−
(
2
a
+
3
)
(5a + 4) - (2a + 3)
(
5
a
+
4
)
−
(
2
a
+
3
)
Get tutor help
Add.
\newline
(
c
+
7
)
+
(
4
c
+
2
)
(c + 7) + (4c + 2)
(
c
+
7
)
+
(
4
c
+
2
)
Get tutor help
Add.
\newline
(
8
n
+
6
)
+
(
9
n
+
4
)
(8n + 6) + (9n + 4)
(
8
n
+
6
)
+
(
9
n
+
4
)
Get tutor help
Add.
\newline
(
q
+
9
)
+
(
6
q
+
9
)
(q + 9) + (6q + 9)
(
q
+
9
)
+
(
6
q
+
9
)
Get tutor help
Subtract.
\newline
(
9
v
+
9
)
−
(
4
v
+
6
)
(9v + 9) - (4v + 6)
(
9
v
+
9
)
−
(
4
v
+
6
)
Get tutor help
Add.
\newline
(
3
a
+
5
)
+
(
9
a
+
5
)
(3a + 5) + (9a + 5)
(
3
a
+
5
)
+
(
9
a
+
5
)
Get tutor help
Add.
\newline
(
z
+
6
)
+
(
9
z
+
6
)
(z + 6) + (9z + 6)
(
z
+
6
)
+
(
9
z
+
6
)
Get tutor help
Add.
\newline
(
7
z
+
9
)
+
(
z
+
4
)
(7z + 9) + (z + 4)
(
7
z
+
9
)
+
(
z
+
4
)
Get tutor help
Add.
\newline
(
3
m
+
5
)
+
(
4
m
+
5
)
(3m + 5) + (4m + 5)
(
3
m
+
5
)
+
(
4
m
+
5
)
Get tutor help
Add.
\newline
(
9
s
+
4
)
+
(
5
s
+
1
)
(9s + 4) + (5s + 1)
(
9
s
+
4
)
+
(
5
s
+
1
)
Get tutor help
Add.
\newline
(
5
s
+
3
)
+
(
8
s
+
3
)
(5s + 3) + (8s + 3)
(
5
s
+
3
)
+
(
8
s
+
3
)
Get tutor help
Add.
\newline
(
2
n
+
1
)
+
(
6
n
+
6
)
(2n + 1) + (6n + 6)
(
2
n
+
1
)
+
(
6
n
+
6
)
Get tutor help
Subtract.
\newline
(
4
b
+
9
)
−
(
3
b
+
6
)
(4b + 9) - (3b + 6)
(
4
b
+
9
)
−
(
3
b
+
6
)
Get tutor help
Subtract.
\newline
(
9
w
+
9
)
−
(
4
w
+
2
)
(9w + 9) - (4w + 2)
(
9
w
+
9
)
−
(
4
w
+
2
)
Get tutor help
Add.
\newline
(
9
m
+
1
)
+
(
5
m
+
4
)
(9m + 1) + (5m + 4)
(
9
m
+
1
)
+
(
5
m
+
4
)
Get tutor help
Solve for
x
x
x
.
\newline
x
+
1
2
=
x
+
3
3
\frac{x+1}{2}=\frac{x+3}{3}
2
x
+
1
=
3
x
+
3
Get tutor help
simplify
2
x
(
5
x
+
4
)
2x(5x+4)
2
x
(
5
x
+
4
)
Get tutor help
Multiply.
(
x
+
4
)
(
x
+
5
)
(x+4)(x+5)
(
x
+
4
)
(
x
+
5
)
Get tutor help
Add.
\newline
(
6
y
+
1
)
+
(
y
+
4
)
(6y+1)+(y+4)
(
6
y
+
1
)
+
(
y
+
4
)
Get tutor help
Subtract.
\newline
(
3
h
+
6
)
−
(
3
h
+
2
)
(3h + 6) - (3h + 2)
(
3
h
+
6
)
−
(
3
h
+
2
)
\newline
____
Get tutor help
