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15
x
−
10
=
20
15x-10=20
15
x
−
10
=
20
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Math Problems
Grade 8
Describe the graph of a linear equation
Full solution
Q.
15
x
−
10
=
20
15x-10=20
15
x
−
10
=
20
Identify Equation and Goal:
Identify the equation and the goal.
\newline
We have a
linear equation
in one variable, and we want to solve for
x
x
x
.
Isolate Variable Term:
Isolate the term with the variable by adding
10
10
10
to both sides of the equation.
\newline
15
x
−
10
+
10
=
20
+
10
15x - 10 + 10 = 20 + 10
15
x
−
10
+
10
=
20
+
10
\newline
This simplifies to
15
x
=
30
15x = 30
15
x
=
30
.
Divide to Solve for x:
Divide both sides of the equation by
15
15
15
to solve for x.
\newline
15
x
15
=
30
15
\frac{15x}{15} = \frac{30}{15}
15
15
x
=
15
30
\newline
This simplifies to
x
=
2
x = 2
x
=
2
.
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\newline
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\newline
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\newline
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\newline
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\newline
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