7=7(n-9)

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Solution for 7=7(n-9) equation: 



7=7(n-9)

We move all terms to the left:

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



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

7(n-9)

We multiply parentheses

7n-63

Back to the equation:

-(7n-63)



We get rid of parentheses

-7n+63+7=0

We add all the numbers together, and all the variables

-7n+70=0

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

-7n=-70

n=-70/-7

n=+10

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