90=-5(6-4n)

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Solution for 90=-5(6-4n) equation: 



90=-5(6-4n)

We move all terms to the left:

90-(-5(6-4n))=0

We add all the numbers together, and all the variables

-(-5(-4n+6))+90=0



We calculate terms in parentheses: -(-5(-4n+6)), so:

-5(-4n+6)

We multiply parentheses

20n-30

Back to the equation:

-(20n-30)



We get rid of parentheses

-20n+30+90=0

We add all the numbers together, and all the variables

-20n+120=0

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

-20n=-120

n=-120/-20

n=+6

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