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Math Problems
Grade 8
Add and subtract like terms
Simplify:
\newline
30
×
45
₵
30\times45\text{₵}
30
×
45
₵
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Simplify the expression:
\newline
10
f
+
−
7
f
+
−
5
f
10f + -7f + -5f
10
f
+
−
7
f
+
−
5
f
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Simplify the expression:
\newline
−
10
h
+
−
h
+
−
6
h
-10h + -h + -6h
−
10
h
+
−
h
+
−
6
h
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Simplify the expression:
\newline
−
8
z
+
3
z
-8z + 3z
−
8
z
+
3
z
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Simplify the expression:
\newline
−
2
s
+
−
2
s
−
5
s
-2s + -2s - 5s
−
2
s
+
−
2
s
−
5
s
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Simplify the expression:
\newline
r
+
−
4
r
+
−
3
r
r + -4r + -3r
r
+
−
4
r
+
−
3
r
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Simplify the expression:
\newline
4
q
+
−
8
q
4q + -8q
4
q
+
−
8
q
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Simplify the expression:
\newline
5
j
+
−
2
j
+
−
5
j
5j + -2j + -5j
5
j
+
−
2
j
+
−
5
j
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Simplify the expression:
\newline
−
5
x
+
−
x
+
x
-5x + -x + x
−
5
x
+
−
x
+
x
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Simplify the expression:
\newline
−
4
c
+
−
8
c
-4c + -8c
−
4
c
+
−
8
c
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Simplify the expression:
\newline
−
5
f
+
5
f
+
−
4
f
-5f + 5f + -4f
−
5
f
+
5
f
+
−
4
f
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Simplify the expression:
\newline
2
y
+
2
y
−
3
y
2y + 2y - 3y
2
y
+
2
y
−
3
y
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Simplify the expression:
\newline
9
p
+
2
p
+
10
p
9p + 2p + 10p
9
p
+
2
p
+
10
p
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Simplify the expression:
\newline
8
g
+
6
g
+
7
g
8g + 6g + 7g
8
g
+
6
g
+
7
g
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Simplify the expression:
\newline
9
v
−
10
v
+
6
v
9v - 10v + 6v
9
v
−
10
v
+
6
v
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Simplify the expression:
\newline
7
g
+
4
g
−
7
g
7g + 4g - 7g
7
g
+
4
g
−
7
g
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Simplify the expression:
\newline
v
+
7
v
−
5
v
v + 7v - 5v
v
+
7
v
−
5
v
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Simplify the expression:
\newline
m
+
−
3
m
m + -3m
m
+
−
3
m
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Simplify the expression:
\newline
3
s
+
9
s
3s + 9s
3
s
+
9
s
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Simplify the expression:
\newline
8
a
+
a
8a + a
8
a
+
a
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Simplify the expression:
\newline
10
q
−
10
q
+
9
q
10q - 10q + 9q
10
q
−
10
q
+
9
q
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Simplify the expression:
\newline
3
y
+
−
9
y
3y + -9y
3
y
+
−
9
y
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Simplify the expression:
\newline
3
j
+
8
j
3j + 8j
3
j
+
8
j
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Simplify the expression:
\newline
−
2
b
+
b
+
−
b
-2b + b + -b
−
2
b
+
b
+
−
b
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Simplify the expression:
\newline
4
t
+
−
9
t
4t + -9t
4
t
+
−
9
t
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Simplify the expression:
\newline
−
10
b
−
4
b
-10b - 4b
−
10
b
−
4
b
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Simplify the expression:
\newline
−
7
m
+
−
5
m
-7m + -5m
−
7
m
+
−
5
m
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Simplify the expression:
\newline
−
2
h
−
6
h
+
−
9
h
-2h - 6h + -9h
−
2
h
−
6
h
+
−
9
h
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Simplify the expression:
\newline
−
3
u
+
−
u
-3u + -u
−
3
u
+
−
u
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Simplify the expression:
\newline
v
+
−
v
+
−
v
+
6
v
v + -v + -v + 6v
v
+
−
v
+
−
v
+
6
v
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Simplify the expression:
\newline
3
s
+
−
4
s
+
2
s
3s + -4s + 2s
3
s
+
−
4
s
+
2
s
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Simplify the expression:
\newline
7
m
+
−
10
m
+
−
7
m
7m + -10m + -7m
7
m
+
−
10
m
+
−
7
m
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Simplify the expression:
\newline
−
8
f
−
4
f
-8f - 4f
−
8
f
−
4
f
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Simplify the expression:
\newline
−
8
j
+
3
j
+
−
4
j
-8j + 3j + -4j
−
8
j
+
3
j
+
−
4
j
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Simplify the expression:
\newline
−
4
m
+
−
m
+
−
5
m
-4m + -m + -5m
−
4
m
+
−
m
+
−
5
m
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Simplify.
2
s
+
(
−
4
s
)
2s+(-4s)
2
s
+
(
−
4
s
)
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Simplify:
\newline
(
−
8
s
)
(
−
10
s
2
)
(-8 s)\left(-10 s^{2}\right)
(
−
8
s
)
(
−
10
s
2
)
\newline
Answer:
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Combine the like terms to create an equivalent expression:
\newline
−
k
+
3
k
=
□
-k+3k=\square
−
k
+
3
k
=
□
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Simplify the expression:
\newline
2
p
−
p
2p - p
2
p
−
p
\newline
______
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