-9(9+n)-7(8n-4)=77

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Solution for -9(9+n)-7(8n-4)=77 equation: 



-9(9+n)-7(8n-4)=77

We move all terms to the left:

-9(9+n)-7(8n-4)-(77)=0

We add all the numbers together, and all the variables

-9(n+9)-7(8n-4)-77=0

We multiply parentheses

-9n-56n-81+28-77=0

We add all the numbers together, and all the variables

-65n-130=0

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

-65n=130

n=130/-65

n=-2

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