90=-6(3n+6)

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Solution for 90=-6(3n+6) equation: 



90=-6(3n+6)

We move all terms to the left:

90-(-6(3n+6))=0



We calculate terms in parentheses: -(-6(3n+6)), so:

-6(3n+6)

We multiply parentheses

-18n-36

Back to the equation:

-(-18n-36)



We get rid of parentheses

18n+36+90=0

We add all the numbers together, and all the variables

18n+126=0

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

18n=-126

n=-126/18

n=-7

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