-15=3(3x+4)

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Solution for -15=3(3x+4) equation: 



-15=3(3x+4)

We move all terms to the left:

-15-(3(3x+4))=0



We calculate terms in parentheses: -(3(3x+4)), so:

3(3x+4)

We multiply parentheses

9x+12

Back to the equation:

-(9x+12)



We get rid of parentheses

-9x-12-15=0

We add all the numbers together, and all the variables

-9x-27=0

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

-9x=27

x=27/-9

x=-3

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