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Let’s check out your problem:
2
x
−
5
=
10
2x-5=10
2
x
−
5
=
10
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Math Problems
Grade 7
Add and subtract fractions
Full solution
Q.
2
x
−
5
=
10
2x-5=10
2
x
−
5
=
10
Add
5
5
5
to both sides:
Add
5
5
5
to both sides of the equation to isolate the term with the variable on one side.
\newline
2
x
−
5
+
5
=
10
+
5
2x - 5 + 5 = 10 + 5
2
x
−
5
+
5
=
10
+
5
\newline
This simplifies to:
\newline
2
x
=
15
2x = 15
2
x
=
15
Isolate the variable:
Divide both sides of the equation by
2
2
2
to solve for
x
x
x
.
2
x
2
=
15
2
\frac{2x}{2} = \frac{15}{2}
2
2
x
=
2
15
This simplifies to:
x
=
7.5
x = 7.5
x
=
7.5
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Multiply.
\newline
(
3
5
)
×
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1
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=
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\newline
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Question
Simplify to a single power of
3
3
3
:
\newline
3
5
×
3
2
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3
5
×
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2
\newline
Answer:
3
□
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Question
Simplify to a single power of
6
6
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:
\newline
6
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\newline
Answer:
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Question
What value of
z
z
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makes the equation below true?
\newline
9
z
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9 z-2=79
9
z
−
2
=
79
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3
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9
9
9
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13
13
13
\newline
79
79
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Question
What value of
y
y
y
makes the equation below true?
\newline
5
y
+
2
=
17
5 y+2=17
5
y
+
2
=
17
\newline
2
2
2
\newline
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3
3
\newline
6
6
6
\newline
17
17
17
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