-3x=-x-12

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


Simplifying
-3x = -1x + -12

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

Solving
-3x = -12 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-3x + x = -12 + -1x + x

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

Combine like terms: -1x + x = 0
-2x = -12 + 0
-2x = -12

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

Simplifying
x = 6

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