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

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



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

We move all terms to the left:

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



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

3(x-3)+3x

We add all the numbers together, and all the variables

3x+3(x-3)

We multiply parentheses

3x+3x-9

We add all the numbers together, and all the variables

6x-9

Back to the equation:

-(6x-9)



We get rid of parentheses

-6x+9-15=0

We add all the numbers together, and all the variables

-6x-6=0

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

-6x=6

x=6/-6

x=-1

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