-3=-x-12

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Solution for -3=-x-12 equation:


Simplifying
-3 = -1x + -12

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

Solving
-3 = -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.
-3 + x = -12 + -1x + x

Combine like terms: -1x + x = 0
-3 + x = -12 + 0
-3 + x = -12

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

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

Combine like terms: -12 + 3 = -9
x = -9

Simplifying
x = -9

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