15=-3(4-3x)

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



15=-3(4-3x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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