84=-8(1+2n)-4

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Solution for 84=-8(1+2n)-4 equation: 



84=-8(1+2n)-4

We move all terms to the left:

84-(-8(1+2n)-4)=0

We add all the numbers together, and all the variables

-(-8(2n+1)-4)+84=0



We calculate terms in parentheses: -(-8(2n+1)-4), so:

-8(2n+1)-4

We multiply parentheses

-16n-8-4

We add all the numbers together, and all the variables

-16n-12

Back to the equation:

-(-16n-12)



We get rid of parentheses

16n+12+84=0

We add all the numbers together, and all the variables

16n+96=0

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

16n=-96

n=-96/16

n=-6

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