100=-5(2n-4)

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Solution for 100=-5(2n-4) equation: 



100=-5(2n-4)

We move all terms to the left:

100-(-5(2n-4))=0



We calculate terms in parentheses: -(-5(2n-4)), so:

-5(2n-4)

We multiply parentheses

-10n+20

Back to the equation:

-(-10n+20)



We get rid of parentheses

10n-20+100=0

We add all the numbers together, and all the variables

10n+80=0

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

10n=-80

n=-80/10

n=-8

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