-6(-7-n)=90

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Solution for -6(-7-n)=90 equation: 



-6(-7-n)=90

We move all terms to the left:

-6(-7-n)-(90)=0

We add all the numbers together, and all the variables

-6(-1n-7)-90=0

We multiply parentheses

6n+42-90=0

We add all the numbers together, and all the variables

6n-48=0

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

6n=48

n=48/6

n=8

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