-x+4x=-12

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Solution for -x+4x=-12 equation: 


Simplifying
-1x + 4x = -12

Combine like terms: -1x + 4x = 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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