77=7(n+9)

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Solution for 77=7(n+9) equation: 



77=7(n+9)

We move all terms to the left:

77-(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+77=0

We add all the numbers together, and all the variables

-7n+14=0

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

-7n=-14

n=-14/-7

n=+2

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