120=10x+3x

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Solution for 120=10x+3x equation:


Simplifying
120 = 10x + 3x

Combine like terms: 10x + 3x = 13x
120 = 13x

Solving
120 = 13x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-13x' to each side of the equation.
120 + -13x = 13x + -13x

Combine like terms: 13x + -13x = 0
120 + -13x = 0

Add '-120' to each side of the equation.
120 + -120 + -13x = 0 + -120

Combine like terms: 120 + -120 = 0
0 + -13x = 0 + -120
-13x = 0 + -120

Combine like terms: 0 + -120 = -120
-13x = -120

Divide each side by '-13'.
x = 9.230769231

Simplifying
x = 9.230769231

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