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Math Problems
Grade 8
Solve equations with the distributive property
Solve for
x
\mathrm{x}
x
.
\newline
x
−
3
4
+
1
10
=
x
+
7
20
\frac{x-3}{4}+\frac{1}{10}=\frac{x+7}{20}
4
x
−
3
+
10
1
=
20
x
+
7
\newline
Answer:
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Solve for
x
\mathrm{x}
x
.
\newline
3
x
+
5
9
−
7
6
=
x
−
1
18
\frac{3 x+5}{9}-\frac{7}{6}=\frac{x-1}{18}
9
3
x
+
5
−
6
7
=
18
x
−
1
\newline
Answer:
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Solve for
x
\mathrm{x}
x
.
\newline
3
x
+
3
4
+
x
+
3
10
=
7
\frac{3 x+3}{4}+\frac{x+3}{10}=7
4
3
x
+
3
+
10
x
+
3
=
7
\newline
Answer:
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Solve for
x
\mathrm{x}
x
.
\newline
x
−
8
3
−
x
−
9
5
=
−
3
\frac{x-8}{3}-\frac{x-9}{5}=-3
3
x
−
8
−
5
x
−
9
=
−
3
\newline
Answer:
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Solve for
x
\mathrm{x}
x
.
\newline
x
+
8
7
+
x
−
9
2
=
x
+
2
\frac{x+8}{7}+\frac{x-9}{2}=x+2
7
x
+
8
+
2
x
−
9
=
x
+
2
\newline
Answer:
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Solve for
x
\mathrm{x}
x
.
\newline
x
−
3
2
+
x
+
1
5
=
x
−
4
\frac{x-3}{2}+\frac{x+1}{5}=x-4
2
x
−
3
+
5
x
+
1
=
x
−
4
\newline
Answer:
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Solve for
x
\mathrm{x}
x
.
\newline
x
+
8
x
−
7
=
7
4
\frac{x+8}{x-7}=\frac{7}{4}
x
−
7
x
+
8
=
4
7
\newline
Answer:
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Solve for
x
\mathrm{x}
x
.
\newline
x
+
6
x
−
8
=
7
8
\frac{x+6}{x-8}=\frac{7}{8}
x
−
8
x
+
6
=
8
7
\newline
Answer:
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Solve for
x
x
x
:
\newline
−
1
+
8
(
−
2
x
−
3
)
=
−
3
−
2
(
10
x
−
6
)
-1+8(-2 x-3)=-3-2(10 x-6)
−
1
+
8
(
−
2
x
−
3
)
=
−
3
−
2
(
10
x
−
6
)
\newline
Answer:
x
=
x=
x
=
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Solve for
x
x
x
:
\newline
7
(
2
x
+
2
)
+
1
=
1
7(2 x+2)+1=1
7
(
2
x
+
2
)
+
1
=
1
\newline
Answer:
x
=
x=
x
=
Get tutor help
Solve for
x
x
x
:
\newline
7
(
2
x
+
3
)
−
6
x
=
−
(
−
9
x
−
7
)
+
6
x
7(2 x+3)-6 x=-(-9 x-7)+6 x
7
(
2
x
+
3
)
−
6
x
=
−
(
−
9
x
−
7
)
+
6
x
\newline
Answer:
x
=
x=
x
=
Get tutor help
Solve for
x
x
x
:
\newline
7
−
(
10
x
+
8
)
=
−
(
4
x
−
7
)
−
8
7-(10 x+8)=-(4 x-7)-8
7
−
(
10
x
+
8
)
=
−
(
4
x
−
7
)
−
8
Get tutor help
Solve for
x
x
x
:
\newline
3
x
−
(
x
−
1
)
=
3
(
−
6
x
+
10
)
−
4
3 x-(x-1)=3(-6 x+10)-4
3
x
−
(
x
−
1
)
=
3
(
−
6
x
+
10
)
−
4
\newline
Answer:
x
=
x=
x
=
Get tutor help
Solve for
x
x
x
:
\newline
2
−
6
(
−
3
x
+
1
)
=
−
(
−
4
x
−
2
)
+
8
2-6(-3 x+1)=-(-4 x-2)+8
2
−
6
(
−
3
x
+
1
)
=
−
(
−
4
x
−
2
)
+
8
\newline
Answer:
x
=
x=
x
=
Get tutor help
Solve for
x
x
x
:
\newline
−
8
−
10
x
=
4
−
2.3
(
6
x
+
6.8
)
−
5.3
x
-8-10 x=4-2.3(6 x+6.8)-5.3 x
−
8
−
10
x
=
4
−
2.3
(
6
x
+
6.8
)
−
5.3
x
\newline
Answer:
x
=
x=
x
=
Get tutor help
Solve for
x
x
x
:
\newline
−
(
4
x
+
0.6
)
=
7.6
−
(
−
4
x
−
9
)
-(4 x+0.6)=7.6-(-4 x-9)
−
(
4
x
+
0.6
)
=
7.6
−
(
−
4
x
−
9
)
\newline
Answer:
x
=
x=
x
=
Get tutor help
Solve for
x
x
x
:
\newline
−
6
(
x
+
2.2
)
=
−
4
(
x
+
3.7
)
−
8
-6(x+2.2)=-4(x+3.7)-8
−
6
(
x
+
2.2
)
=
−
4
(
x
+
3.7
)
−
8
\newline
Answer:
x
=
x=
x
=
Get tutor help
Solve for
x
x
x
:
\newline
−
5
x
−
3
(
x
+
3.1
)
=
0.8
(
5
x
+
9
)
−
x
-5 x-3(x+3.1)=0.8(5 x+9)-x
−
5
x
−
3
(
x
+
3.1
)
=
0.8
(
5
x
+
9
)
−
x
\newline
Answer:
x
=
x=
x
=
Get tutor help
Solve for
x
x
x
:
\newline
−
(
9
x
−
1.3
)
=
−
3.4
x
−
(
6.8
x
−
6
)
−
2
-(9 x-1.3)=-3.4 x-(6.8 x-6)-2
−
(
9
x
−
1.3
)
=
−
3.4
x
−
(
6.8
x
−
6
)
−
2
\newline
Answer:
x
=
x=
x
=
Get tutor help
Solve.
\newline
7
(
2
z
−
4
)
=
0
7(2 z-4)=0
7
(
2
z
−
4
)
=
0
\newline
Answer:
z
=
z=
z
=
Get tutor help
Solve for
x
\mathrm{x}
x
.
\newline
−
2
(
−
5
x
+
1
)
−
4
x
−
3
=
37
-2(-5 x+1)-4 x-3=37
−
2
(
−
5
x
+
1
)
−
4
x
−
3
=
37
\newline
Answer:
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Solve for
y
\mathrm{y}
y
.
\newline
y
4
=
−
8
\frac{y}{4}=-8
4
y
=
−
8
\newline
Answer:
y
=
y=
y
=
Get tutor help
Solve for
r
\mathrm{r}
r
.
\newline
r
−
10
=
−
8
\frac{r}{-10}=-8
−
10
r
=
−
8
\newline
Answer:
r
=
r=
r
=
Get tutor help
Solve the following for
y
y
y
:
x
6
+
y
4
=
1
\frac{x}{6}+\frac{y}{4}=1
6
x
+
4
y
=
1
\newline
y
=
y=
y
=
Get tutor help
Solve for
t
t
t
.
\newline
2
(
t
+
1
)
=
10
2(t+1)=10
2
(
t
+
1
)
=
10
\newline
t
=
t=
t
=
Get tutor help
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