-2(x-9)=-12

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Solution for -2(x-9)=-12 equation: 


Simplifying
-2(x + -9) = -12

Reorder the terms:
-2(-9 + x) = -12
(-9 * -2 + x * -2) = -12
(18 + -2x) = -12

Solving
18 + -2x = -12

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + -2x = -12 + -18

Combine like terms: 18 + -18 = 0
0 + -2x = -12 + -18
-2x = -12 + -18

Combine like terms: -12 + -18 = -30
-2x = -30

Divide each side by '-2'.
x = 15

Simplifying
x = 15

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