-120=-8-7n

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Solution for -120=-8-7n equation: 



-120=-8-7n

We move all terms to the left:

-120-(-8-7n)=0

We add all the numbers together, and all the variables

-(-7n-8)-120=0

We get rid of parentheses

7n+8-120=0

We add all the numbers together, and all the variables

7n-112=0

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

7n=112

n=112/7

n=16

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