4x-(5x-9+6x)=-12

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Solution for 4x-(5x-9+6x)=-12 equation: 



4x-(5x-9+6x)=-12

We move all terms to the left:

4x-(5x-9+6x)-(-12)=0

We add all the numbers together, and all the variables

4x-(11x-9)-(-12)=0

We add all the numbers together, and all the variables

4x-(11x-9)+12=0

We get rid of parentheses

4x-11x+9+12=0

We add all the numbers together, and all the variables

-7x+21=0

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

-7x=-21

x=-21/-7

x=+3

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