-3x+12=9x-108

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Solution for -3x+12=9x-108 equation:


Simplifying
-3x + 12 = 9x + -108

Reorder the terms:
12 + -3x = 9x + -108

Reorder the terms:
12 + -3x = -108 + 9x

Solving
12 + -3x = -108 + 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.
12 + -3x + -9x = -108 + 9x + -9x

Combine like terms: -3x + -9x = -12x
12 + -12x = -108 + 9x + -9x

Combine like terms: 9x + -9x = 0
12 + -12x = -108 + 0
12 + -12x = -108

Add '-12' to each side of the equation.
12 + -12 + -12x = -108 + -12

Combine like terms: 12 + -12 = 0
0 + -12x = -108 + -12
-12x = -108 + -12

Combine like terms: -108 + -12 = -120
-12x = -120

Divide each side by '-12'.
x = 10

Simplifying
x = 10

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