-(x+3)=-12

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Solution for -(x+3)=-12 equation: 


Simplifying
-1(x + 3) = -12

Reorder the terms:
-1(3 + x) = -12
(3 * -1 + x * -1) = -12
(-3 + -1x) = -12

Solving
-3 + -1x = -12

Solving for variable 'x'.

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

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

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

Combine like terms: -12 + 3 = -9
-1x = -9

Divide each side by '-1'.
x = 9

Simplifying
x = 9

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