-x-x-x=12

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


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

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

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

Solving
-3x = 12

Solving for variable 'x'.

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

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

Simplifying
x = -4

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