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Math Problems
Grade 7
Identify equivalent linear expressions II
Which expression is equivalent to
2
(
8
s
)
2(8s)
2
(
8
s
)
?
\newline
Choices:
\newline
(A)
s
+
16
s + 16
s
+
16
\newline
(B)
16
s
16s
16
s
\newline
(C)
s
+
10
s + 10
s
+
10
\newline
(D)
8
s
+
2
8s + 2
8
s
+
2
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Which expression is equivalent to
2
(
8
g
+
7
)
2(8g + 7)
2
(
8
g
+
7
)
?
\newline
Choices:
\newline
(A)
8
g
+
14
8g + 14
8
g
+
14
\newline
(B)
16
g
+
14
16g + 14
16
g
+
14
\newline
(C)
16
g
+
7
16g + 7
16
g
+
7
\newline
(D)
14
g
+
16
14g + 16
14
g
+
16
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Which expression is equivalent to
6
v
+
2
v
6v + 2v
6
v
+
2
v
?
\newline
Choices:
\newline
(A)
v
+
8
v + 8
v
+
8
\newline
(B)
7
v
7v
7
v
\newline
(C)
8
v
8v
8
v
\newline
(D)
v
8
v^8
v
8
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Which expression is equivalent to
6
c
+
2
c
6c + 2c
6
c
+
2
c
?
\newline
Choices:
\newline
(A)
c
+
8
c + 8
c
+
8
\newline
(B)
8
c
8c
8
c
\newline
(C)
c
8
c^8
c
8
\newline
(D)
9
c
9c
9
c
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Which expression is equivalent to
4
(
k
+
3
)
4(k + 3)
4
(
k
+
3
)
?
\newline
Choices:
\newline
(A)
7
k
7k
7
k
\newline
(B)
12
k
+
4
12k + 4
12
k
+
4
\newline
(C)
4
k
+
12
4k + 12
4
k
+
12
\newline
(D)
12
k
12k
12
k
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2
2
2
The expression
3
(
x
+
4
)
+
(
2
x
+
7
)
3(x+4)+(2 x+7)
3
(
x
+
4
)
+
(
2
x
+
7
)
is equivalent to
\newline
(
1
1
1
)
x
+
5
x+5
x
+
5
\newline
(
3
3
3
)
x
−
3
x-3
x
−
3
\newline
(
2
2
2
)
x
−
10
x-10
x
−
10
\newline
(
4
4
4
)
x
+
11
x+11
x
+
11
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Which expression is equivalent to
s
−
0.91
s
+
0.61
s-0.91 s+0.61
s
−
0.91
s
+
0.61
?
\newline
0.61
+
0.09
s
0.61+0.09 s
0.61
+
0.09
s
\newline
−
0.52
s
-0.52 s
−
0.52
s
\newline
0.7
s
0.7 \mathrm{~s}
0.7
s
\newline
s
−
0.3
s-0.3
s
−
0.3
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Which expression is equivalent to
n
+
0.76
n
+
0.37
n
n+0.76 n+0.37 n
n
+
0.76
n
+
0.37
n
?
\newline
n
+
1.13
n+1.13
n
+
1.13
\newline
−
0.61
n
-0.61 n
−
0.61
n
\newline
1
+
1.13
n
1+1.13 n
1
+
1.13
n
\newline
2.13
n
2.13 n
2.13
n
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Which pair of expressions below are equivalent?
\newline
r
+
r
+
r
+
r
+
s
r+r+r+r+s
r
+
r
+
r
+
r
+
s
and
5
r
s
5 r s
5
rs
\newline
4
(
8
r
)
4(8 r)
4
(
8
r
)
and
12
r
12 r
12
r
\newline
4
r
+
8
s
4 r+8 s
4
r
+
8
s
and
8
s
+
4
r
8 s+4 r
8
s
+
4
r
\newline
9
r
+
9
r
9 r+9 r
9
r
+
9
r
and
81
r
81 r
81
r
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Which expression is equivalent to
7
(
k
+
6
)
7(k + 6)
7
(
k
+
6
)
?
\newline
Choices:
\newline
(A)
7
k
+
42
7k + 42
7
k
+
42
\newline
(B)
13
k
13k
13
k
\newline
(C)
42
k
42k
42
k
\newline
(D)
42
k
+
7
42k + 7
42
k
+
7
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Which expression is equivalent to
8
(
2
f
)
8(2f)
8
(
2
f
)
?
\newline
Choices:
\newline
(A)
2
f
+
8
2f + 8
2
f
+
8
\newline
(B)
f
+
10
f + 10
f
+
10
\newline
(C)
f
+
16
f + 16
f
+
16
\newline
(D)
16
f
16f
16
f
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Which expression is equivalent to
2
(
8
x
)
2(8x)
2
(
8
x
)
?
\newline
Choices:
\newline
(A)
x
+
16
x + 16
x
+
16
\newline
(B)
8
x
+
2
8x + 2
8
x
+
2
\newline
(C)
16
x
16x
16
x
\newline
(D)
x
+
10
x + 10
x
+
10
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Which expression is equivalent to
2
(
4
n
)
2(4n)
2
(
4
n
)
?
\newline
Choices:
\newline
(A)
n
+
6
n + 6
n
+
6
\newline
(B)
n
+
8
n + 8
n
+
8
\newline
(C)
4
n
+
2
4n + 2
4
n
+
2
\newline
(D)
8
n
8n
8
n
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Which expression is equivalent to
8
(
d
+
2
)
8(d + 2)
8
(
d
+
2
)
?
\newline
Choices:
\newline
(A)
16
d
16d
16
d
\newline
(B)
8
d
+
16
8d + 16
8
d
+
16
\newline
(C)
10
d
10d
10
d
\newline
(D)
16
d
+
8
16d + 8
16
d
+
8
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Which expression is equivalent to
2
(
5
x
)
2(5x)
2
(
5
x
)
?
\newline
Choices:
\newline
(A)
5
x
+
2
5x + 2
5
x
+
2
\newline
(B)
x
+
7
x + 7
x
+
7
\newline
(C)
10
x
10x
10
x
\newline
(D)
x
+
10
x + 10
x
+
10
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Which expression is equivalent to
8
(
2
y
)
8(2y)
8
(
2
y
)
?
\newline
Choices:
\newline
(A)
y
+
16
y + 16
y
+
16
\newline
(B)
y
+
10
y + 10
y
+
10
\newline
(C)
2
y
+
8
2y + 8
2
y
+
8
\newline
(D)
16
y
16y
16
y
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Which expression is equivalent to
2
(
4
z
)
2(4z)
2
(
4
z
)
?
\newline
Choices:
\newline
(A)
4
z
+
2
4z + 2
4
z
+
2
\newline
(B)
z
+
6
z + 6
z
+
6
\newline
(C)
z
+
8
z + 8
z
+
8
\newline
(D)
8
z
8z
8
z
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Which expression is equivalent to
7
h
+
2
h
7h + 2h
7
h
+
2
h
?
\newline
Choices:
\newline
(A)
h
9
h^9
h
9
\newline
(B)
h
+
9
h + 9
h
+
9
\newline
(C)
10
h
10h
10
h
\newline
(D)
9
h
9h
9
h
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Which expression is equivalent to
8
(
d
+
2
)
8(d + 2)
8
(
d
+
2
)
?
\newline
Choices:
\newline
(A)
8
d
+
16
8d + 16
8
d
+
16
\newline
(B)
16
d
+
8
16d + 8
16
d
+
8
\newline
(C)
16
d
16d
16
d
\newline
(D)
10
d
10d
10
d
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Which expression is equivalent to
6
(
q
+
4
)
6(q + 4)
6
(
q
+
4
)
?
\newline
Choices:
\newline
(A)
10
q
10q
10
q
\newline
(B)
24
q
+
6
24q + 6
24
q
+
6
\newline
(C)
24
q
24q
24
q
\newline
(D)
6
q
+
24
6q + 24
6
q
+
24
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Which expression is equivalent to
4
(
z
+
2
)
4(z + 2)
4
(
z
+
2
)
?
\newline
Choices:
\newline
(A)
8
z
+
4
8z + 4
8
z
+
4
\newline
(B)
4
z
+
8
4z + 8
4
z
+
8
\newline
(C)
6
z
6z
6
z
\newline
(D)
8
z
8z
8
z
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Which expression is equivalent to
4
(
2
h
)
4(2h)
4
(
2
h
)
?
\newline
Choices:
\newline
(A)
h
+
6
h + 6
h
+
6
\newline
(B)
8
h
8h
8
h
\newline
(C)
2
h
+
4
2h + 4
2
h
+
4
\newline
(D)
h
+
8
h + 8
h
+
8
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Which expression is equivalent to
3
(
q
+
6
)
3(q + 6)
3
(
q
+
6
)
?
\newline
Choices:
\newline
(A)
18
q
18q
18
q
\newline
(B)
3
q
+
18
3q + 18
3
q
+
18
\newline
(C)
9
q
9q
9
q
\newline
(D)
18
q
+
3
18q + 3
18
q
+
3
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Which expression is equivalent to
3
(
7
s
)
3(7s)
3
(
7
s
)
?
\newline
Choices:
\newline
(A)
7
s
+
3
7s + 3
7
s
+
3
\newline
(B)
s
+
21
s + 21
s
+
21
\newline
(C)
21
s
21s
21
s
\newline
(D)
s
+
10
s + 10
s
+
10
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Which expression is equivalent to
8
(
2
g
)
8(2g)
8
(
2
g
)
?
\newline
Choices:
\newline
(A)
16
g
16g
16
g
\newline
(B)
2
g
+
8
2g + 8
2
g
+
8
\newline
(C)
g
+
10
g + 10
g
+
10
\newline
(D)
g
+
16
g + 16
g
+
16
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Which expression is equivalent to
6
(
2
t
)
6(2t)
6
(
2
t
)
?
\newline
Choices:
\newline
(A)
12
t
12t
12
t
\newline
(B)
t
+
12
t + 12
t
+
12
\newline
(C)
t
+
8
t + 8
t
+
8
\newline
(D)
2
t
+
6
2t + 6
2
t
+
6
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