90=-6(8+n)

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Solution for 90=-6(8+n) equation: 



90=-6(8+n)

We move all terms to the left:

90-(-6(8+n))=0

We add all the numbers together, and all the variables

-(-6(n+8))+90=0



We calculate terms in parentheses: -(-6(n+8)), so:

-6(n+8)

We multiply parentheses

-6n-48

Back to the equation:

-(-6n-48)



We get rid of parentheses

6n+48+90=0

We add all the numbers together, and all the variables

6n+138=0

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

6n=-138

n=-138/6

n=-23

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