9=-3(3x+9)

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



9=-3(3x+9)

We move all terms to the left:

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



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

-3(3x+9)

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+36=0

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

9x=-36

x=-36/9

x=-4

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