-3(5-3x)=-12(x+3)

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Solution for -3(5-3x)=-12(x+3) equation: 



-3(5-3x)=-12(x+3)

We move all terms to the left:

-3(5-3x)-(-12(x+3))=0

We add all the numbers together, and all the variables

-3(-3x+5)-(-12(x+3))=0

We multiply parentheses

9x-(-12(x+3))-15=0



We calculate terms in parentheses: -(-12(x+3)), so:

-12(x+3)

We multiply parentheses

-12x-36

Back to the equation:

-(-12x-36)



We get rid of parentheses

9x+12x+36-15=0

We add all the numbers together, and all the variables

21x+21=0

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

21x=-21

x=-21/21

x=-1

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