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Math Problems
Grade 8
Solve equations: mixed review
If
sin
x
=
1
2
\sin x = \frac{1}{2}
sin
x
=
2
1
,
x
=
?
x = ?
x
=
?
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Question
2
2
2
\newline
Solve the equation.
−
5
+
x
=
11
-5+x=11
−
5
+
x
=
11
\newline
6
6
6
\newline
−
6
-6
−
6
\newline
16
16
16
\newline
−
16
-16
−
16
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Solve for
x
\mathrm{x}
x
.
\newline
−
3
=
x
−
2
-3=\frac{x}{-2}
−
3
=
−
2
x
\newline
Answer:
x
=
x=
x
=
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Solve for
y
\mathrm{y}
y
.
\newline
4
=
y
−
5
4=\frac{y}{-5}
4
=
−
5
y
\newline
Answer:
y
=
y=
y
=
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Solve for
c
\mathrm{c}
c
.
\newline
8
+
c
=
2
8+c=2
8
+
c
=
2
\newline
Answer:
c
=
c=
c
=
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