-3x-12=9x+12

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


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

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

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

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

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

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

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

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

Combine like terms: 12 + 12 = 24
-12x = 24

Divide each side by '-12'.
x = -2

Simplifying
x = -2

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