-90=-5(5n-2)

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Solution for -90=-5(5n-2) equation: 



-90=-5(5n-2)

We move all terms to the left:

-90-(-5(5n-2))=0



We calculate terms in parentheses: -(-5(5n-2)), so:

-5(5n-2)

We multiply parentheses

-25n+10

Back to the equation:

-(-25n+10)



We get rid of parentheses

25n-10-90=0

We add all the numbers together, and all the variables

25n-100=0

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

25n=100

n=100/25

n=4

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