-9(x+1)-12=15

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Solution for -9(x+1)-12=15 equation: 



-9(x+1)-12=15

We move all terms to the left:

-9(x+1)-12-(15)=0

We add all the numbers together, and all the variables

-9(x+1)-27=0

We multiply parentheses

-9x-9-27=0

We add all the numbers together, and all the variables

-9x-36=0

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

-9x=36

x=36/-9

x=-4

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