-x-12=3x-x

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


Simplifying
-1x + -12 = 3x + -1x

Reorder the terms:
-12 + -1x = 3x + -1x

Combine like terms: 3x + -1x = 2x
-12 + -1x = 2x

Solving
-12 + -1x = 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-12 + -1x + -2x = 2x + -2x

Combine like terms: -1x + -2x = -3x
-12 + -3x = 2x + -2x

Combine like terms: 2x + -2x = 0
-12 + -3x = 0

Add '12' to each side of the equation.
-12 + 12 + -3x = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -3x = 0 + 12
-3x = 0 + 12

Combine like terms: 0 + 12 = 12
-3x = 12

Divide each side by '-3'.
x = -4

Simplifying
x = -4

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