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Math Problems
Algebra 1
Evaluate variable expressions involving rational numbers
Evaluate
9
m
+
4
\frac{9}{m}+4
m
9
+
4
when
m
=
3
m=3
m
=
3
.
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Evaluate
n
6
+
2
\frac{n}{6}+2
6
n
+
2
when
n
=
12
n=12
n
=
12
.
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Evaluate
\newline
8
+
w
4
8+\frac{w}{4}
8
+
4
w
when
\newline
w
=
16
w=16
w
=
16
.
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Combine the like terms to create an equivalent expression.
\newline
9
t
−
3
t
+
4
=
□
9t-3t+4=\square
9
t
−
3
t
+
4
=
□
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Evaluate
4
−
0.25
g
+
0.5
h
4-0.25g+0.5h
4
−
0.25
g
+
0.5
h
when
g
=
10
g=10
g
=
10
and
h
=
5
h=5
h
=
5
.
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Evaluate
3
2
y
−
3
+
5
3
z
\frac{3}{2}y-3+\frac{5}{3}z
2
3
y
−
3
+
3
5
z
when
y
=
6
y=6
y
=
6
and
z
=
3
z=3
z
=
3
.
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Evaluate
7
j
+
5
−
8
k
7j+5-8k
7
j
+
5
−
8
k
when
j
=
0.5
j=0.5
j
=
0.5
and
k
=
0.25
k=0.25
k
=
0.25
.
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Evaluate
13
−
0.75
w
+
8
x
13-0.75w+8x
13
−
0.75
w
+
8
x
when
w
=
12
w=12
w
=
12
and
x
=
1
2
x=\frac{1}{2}
x
=
2
1
.
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Evaluate
1
4
c
+
3
d
\frac{1}{4}c+3d
4
1
c
+
3
d
when
c
=
6
c=6
c
=
6
and
d
=
7
d=7
d
=
7
.
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Evaluate
10
m
+
n
2
4
10 m + \frac{n^2}{4}
10
m
+
4
n
2
when
m
=
5
m=5
m
=
5
and
n
=
4
n=4
n
=
4
.
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Evaluate
j
k
−
0.2
k
\frac{j}{k}-0.2k
k
j
−
0.2
k
when
j
=
25
j=25
j
=
25
and
k
=
5
k=5
k
=
5
.
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Evaluate
e
4
+
2
f
−
3
\frac{e}{4}+2f-3
4
e
+
2
f
−
3
when
e
=
12
e=12
e
=
12
and
f
=
1
2
f=\frac{1}{2}
f
=
2
1
.
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Evaluate
\newline
f
(
3
)
+
11
g
−
4
h
f^{(3)}+11g-4h
f
(
3
)
+
11
g
−
4
h
when
\newline
f
=
3
,
g
=
2
f=3, g=2
f
=
3
,
g
=
2
and
\newline
h
=
7.
h=7.
h
=
7.
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Evaluate
3
7
r
+
5
8
s
\frac{3}{7}r + \frac{5}{8}s
7
3
r
+
8
5
s
when
r
=
14
r=14
r
=
14
and
s
=
8
s=8
s
=
8
.
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Evaluate
0.3
y
+
y
z
0.3 y + \frac{y}{z}
0.3
y
+
z
y
when
y
=
10
y=10
y
=
10
and
z
=
5
z=5
z
=
5
.
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Evaluate
3
+
11
t
−
9
u
3+11t-9u
3
+
11
t
−
9
u
when
t
=
9
t=9
t
=
9
and
u
=
11
u=11
u
=
11
.
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Evaluate
\newline
7
−
5
p
+
3
q
7-5p+3q
7
−
5
p
+
3
q
when
\newline
p
=
1
p=1
p
=
1
and
\newline
q
=
7.
q=7.
q
=
7.
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Evaluate
\newline
3
+
j
k
+
k
3
3+jk+k^{3}
3
+
jk
+
k
3
when
\newline
j
=
2
j=2
j
=
2
and
\newline
k
=
6
k=6
k
=
6
.
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Evaluate
c
2
−
3
+
6
d
\frac{c}{2}-3+\frac{6}{d}
2
c
−
3
+
d
6
when
c
=
14
c=14
c
=
14
and
d
=
3
d=3
d
=
3
.
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Evaluate
5
w
−
w
x
5w-\frac{w}{x}
5
w
−
x
w
when
w
=
6
w=6
w
=
6
and
x
=
2
x=2
x
=
2
.
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Evaluate
9
g
+
2
h
+
5
\frac{9}{g}+2h+5
g
9
+
2
h
+
5
when
g
=
3
g=3
g
=
3
and
h
=
6
h=6
h
=
6
.
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Evaluate
(
1
)
/
(
3
)
m
−
1
−
(
1
)
/
(
2
)
n
(1)/(3)m-1-(1)/(2)n
(
1
)
/
(
3
)
m
−
1
−
(
1
)
/
(
2
)
n
when
m
=
21
m=21
m
=
21
and
n
=
12
n=12
n
=
12
.
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Evaluate
e
−
1
2
f
e-\frac{1}{2}f
e
−
2
1
f
when
e
=
15
e=15
e
=
15
and
f
=
2
f=2
f
=
2
.
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Evaluate
\newline
8
−
m
n
+
p
2
8-\frac{m}{n}+p^{2}
8
−
n
m
+
p
2
when
\newline
m
=
8
,
n
=
2
,
p
=
7
m=8,n=2,p=7
m
=
8
,
n
=
2
,
p
=
7
.
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Evaluate
8
a
+
3
b
−
10
+
c
2
8a+3b-10+c^{2}
8
a
+
3
b
−
10
+
c
2
when
a
=
2
a=2
a
=
2
,
b
=
5
b=5
b
=
5
, and
c
=
4
c=4
c
=
4
.
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Evaluate
5
c
−
3
d
+
11
5c-3d+11
5
c
−
3
d
+
11
when
c
=
7
c=7
c
=
7
and
d
=
8
d=8
d
=
8
.
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Evaluate
\newline
7
r
−
15
s
7r - \frac{15}{s}
7
r
−
s
15
when
\newline
r
=
3
r=3
r
=
3
and
\newline
s
=
5.
s=5.
s
=
5.
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Evaluate
\newline
8
r
−
r
s
8r - rs
8
r
−
rs
when
\newline
r
=
6
r = 6
r
=
6
and
\newline
s
=
5.
s = 5.
s
=
5.
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Evaluate
6
+
4
a
+
b
3
6 + \frac{4}{a} + \frac{b}{3}
6
+
a
4
+
3
b
when
a
=
4
a=4
a
=
4
and
b
=
3
b=3
b
=
3
.
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Evaluate
\newline
8
j
−
k
+
14
8j-k+14
8
j
−
k
+
14
when
\newline
j
=
0.25
j=0.25
j
=
0.25
and
\newline
k
=
1
k=1
k
=
1
.
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Evaluate
8
p
+
3
q
−
18
8p+3q-18
8
p
+
3
q
−
18
when
p
=
1
2
p=\frac{1}{2}
p
=
2
1
and
q
=
7
q=7
q
=
7
.
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Evaluate
c
−
2
c-2
c
−
2
when
c
=
7
c=7
c
=
7
.
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Evaluate
\newline
6
+
x
6+x
6
+
x
when
\newline
x
=
3
x=3
x
=
3
.
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Evaluate
\newline
4
−
2
f
4-2f
4
−
2
f
when
\newline
f
=
1
f=1
f
=
1
.
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Evaluate
\newline
3
z
3z
3
z
when
\newline
z
=
9
z=9
z
=
9
.
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Evaluate
a
+
4
a+4
a
+
4
when
a
=
7
a=7
a
=
7
.
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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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Evaluate
(
15
)
/
(
k
)
(15)/(k)
(
15
)
/
(
k
)
when
k
=
3
k=3
k
=
3
.
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Evaluate
13
+
6
y
13 + \frac{6}{y}
13
+
y
6
when
y
=
6
y = 6
y
=
6
.
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Evaluate
j
4
\frac{j}{4}
4
j
when
j
=
12
j=12
j
=
12
.
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Evaluate
\newline
5
−
t
3
5-\frac{t}{3}
5
−
3
t
when
\newline
t
=
12
t=12
t
=
12
.
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Evaluate
\newline
8
+
3
e
8+3e
8
+
3
e
when
\newline
e
=
2.
e=2.
e
=
2.
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Evaluate
9
−
b
9-b
9
−
b
when
b
=
8
b=8
b
=
8
.
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Evaluate
\newline
6
h
6h
6
h
when
\newline
h
=
8
h=8
h
=
8
.
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Evaluate
15
r
−
1
\frac{15}{r}-1
r
15
−
1
when
r
=
5
r=5
r
=
5
.
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Evaluate
2
d
+
3
2d+3
2
d
+
3
when
d
=
8
d=8
d
=
8
.
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Evaluate
\newline
4
g
−
12
4g-12
4
g
−
12
when
\newline
g
=
5.
g=5.
g
=
5.
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Evaluate
2
5
g
+
3
h
−
6
\frac{2}{5}g+3h-6
5
2
g
+
3
h
−
6
when
g
=
10
g=10
g
=
10
and
h
=
6
h=6
h
=
6
.
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Evaluate
\newline
8
a
−
1
+
0.5
b
8a-1+0.5b
8
a
−
1
+
0.5
b
when
\newline
a
=
1
4
a=\frac{1}{4}
a
=
4
1
and
\newline
b
=
10
b=10
b
=
10
.
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Evaluate
0.1
m
+
8
−
12
n
0.1 m + 8 - 12 n
0.1
m
+
8
−
12
n
when
m
=
30
m = 30
m
=
30
and
n
=
1
4
n = \frac{1}{4}
n
=
4
1
.
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