-12-15=3(2x+3)

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Solution for -12-15=3(2x+3) equation: 



-12-15=3(2x+3)

We move all terms to the left:

-12-15-(3(2x+3))=0

We add all the numbers together, and all the variables

-(3(2x+3))-27=0



We calculate terms in parentheses: -(3(2x+3)), so:

3(2x+3)

We multiply parentheses

6x+9

Back to the equation:

-(6x+9)



We get rid of parentheses

-6x-9-27=0

We add all the numbers together, and all the variables

-6x-36=0

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

-6x=36

x=36/-6

x=-6

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