-3x+x=12

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Solution for -3x+x=12 equation: 


Simplifying
-3x + x = 12

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

Solving
-2x = 12

Solving for variable 'x'.

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

Divide each side by '-2'.
x = -6

Simplifying
x = -6

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