18=9(x-7)

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Solution for 18=9(x-7) equation: 



18=9(x-7)

We move all terms to the left:

18-(9(x-7))=0



We calculate terms in parentheses: -(9(x-7)), so:

9(x-7)

We multiply parentheses

9x-63

Back to the equation:

-(9x-63)



We get rid of parentheses

-9x+63+18=0

We add all the numbers together, and all the variables

-9x+81=0

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

-9x=-81

x=-81/-9

x=+9

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