12x-9(3x-4)=-129

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Solution for 12x-9(3x-4)=-129 equation: 



12x-9(3x-4)=-129

We move all terms to the left:

12x-9(3x-4)-(-129)=0

We add all the numbers together, and all the variables

12x-9(3x-4)+129=0

We multiply parentheses

12x-27x+36+129=0

We add all the numbers together, and all the variables

-15x+165=0

We move all terms containing x to the left, all other terms to the right

-15x=-165

x=-165/-15

x=+11

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