9x-18=-9(x+4)

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Solution for 9x-18=-9(x+4) equation: 



9x-18=-9(x+4)

We move all terms to the left:

9x-18-(-9(x+4))=0



We calculate terms in parentheses: -(-9(x+4)), so:

-9(x+4)

We multiply parentheses

-9x-36

Back to the equation:

-(-9x-36)



We get rid of parentheses

9x+9x+36-18=0

We add all the numbers together, and all the variables

18x+18=0

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

18x=-18

x=-18/18

x=-1

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