9-4x-9=-12

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Solution for 9-4x-9=-12 equation: 


Simplifying
9 + -4x + -9 = -12

Reorder the terms:
9 + -9 + -4x = -12

Combine like terms: 9 + -9 = 0
0 + -4x = -12
-4x = -12

Solving
-4x = -12

Solving for variable 'x'.

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

Divide each side by '-4'.
x = 3

Simplifying
x = 3

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