84=2(5n+2)

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Solution for 84=2(5n+2) equation: 



84=2(5n+2)

We move all terms to the left:

84-(2(5n+2))=0



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

2(5n+2)

We multiply parentheses

10n+4

Back to the equation:

-(10n+4)



We get rid of parentheses

-10n-4+84=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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