84=4(1+4n)

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Solution for 84=4(1+4n) equation: 



84=4(1+4n)

We move all terms to the left:

84-(4(1+4n))=0

We add all the numbers together, and all the variables

-(4(4n+1))+84=0



We calculate terms in parentheses: -(4(4n+1)), so:

4(4n+1)

We multiply parentheses

16n+4

Back to the equation:

-(16n+4)



We get rid of parentheses

-16n-4+84=0

We add all the numbers together, and all the variables

-16n+80=0

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

-16n=-80

n=-80/-16

n=+5

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