100=-5(-4n+8)

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Solution for 100=-5(-4n+8) equation: 



100=-5(-4n+8)

We move all terms to the left:

100-(-5(-4n+8))=0



We calculate terms in parentheses: -(-5(-4n+8)), so:

-5(-4n+8)

We multiply parentheses

20n-40

Back to the equation:

-(20n-40)



We get rid of parentheses

-20n+40+100=0

We add all the numbers together, and all the variables

-20n+140=0

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

-20n=-140

n=-140/-20

n=+7

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