135=9(n+7)

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Solution for 135=9(n+7) equation: 



135=9(n+7)

We move all terms to the left:

135-(9(n+7))=0



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

9(n+7)

We multiply parentheses

9n+63

Back to the equation:

-(9n+63)



We get rid of parentheses

-9n-63+135=0

We add all the numbers together, and all the variables

-9n+72=0

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

-9n=-72

n=-72/-9

n=+8

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