15=9x-120

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Solution for 15=9x-120 equation:


Simplifying
15 = 9x + -120

Reorder the terms:
15 = -120 + 9x

Solving
15 = -120 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
15 + -9x = -120 + 9x + -9x

Combine like terms: 9x + -9x = 0
15 + -9x = -120 + 0
15 + -9x = -120

Add '-15' to each side of the equation.
15 + -15 + -9x = -120 + -15

Combine like terms: 15 + -15 = 0
0 + -9x = -120 + -15
-9x = -120 + -15

Combine like terms: -120 + -15 = -135
-9x = -135

Divide each side by '-9'.
x = 15

Simplifying
x = 15

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