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

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Solution for -15+3=-3(x+9) equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(-3(x+9)), so:

-3(x+9)

We multiply parentheses

-3x-27

Back to the equation:

-(-3x-27)



We get rid of parentheses

3x+27-12=0

We add all the numbers together, and all the variables

3x+15=0

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

3x=-15

x=-15/3

x=-5

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