-77-3n=9+7n

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Solution for -77-3n=9+7n equation: 



-77-3n=9+7n

We move all terms to the left:

-77-3n-(9+7n)=0

We add all the numbers together, and all the variables

-3n-(7n+9)-77=0

We get rid of parentheses

-3n-7n-9-77=0

We add all the numbers together, and all the variables

-10n-86=0

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

-10n=86

n=86/-10

n=-8+3/5

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