15-6=9(x+3)

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Solution for 15-6=9(x+3) equation: 



15-6=9(x+3)

We move all terms to the left:

15-6-(9(x+3))=0

We add all the numbers together, and all the variables

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



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

9(x+3)

We multiply parentheses

9x+27

Back to the equation:

-(9x+27)



We get rid of parentheses

-9x-27+9=0

We add all the numbers together, and all the variables

-9x-18=0

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

-9x=18

x=18/-9

x=-2

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