7n+63=(n+9)

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Solution for 7n+63=(n+9) equation: 



7n+63=(n+9)

We move all terms to the left:

7n+63-((n+9))=0



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

(n+9)

We get rid of parentheses

n+9

Back to the equation:

-(n+9)



We get rid of parentheses

7n-n-9+63=0

We add all the numbers together, and all the variables

6n+54=0

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

6n=-54

n=-54/6

n=-9

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