77=7+7n

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Solution for 77=7+7n equation: 



77=7+7n

We move all terms to the left:

77-(7+7n)=0

We add all the numbers together, and all the variables

-(7n+7)+77=0

We get rid of parentheses

-7n-7+77=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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