-84=3n-5(-2n-4)

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Solution for -84=3n-5(-2n-4) equation: 



-84=3n-5(-2n-4)

We move all terms to the left:

-84-(3n-5(-2n-4))=0



We calculate terms in parentheses: -(3n-5(-2n-4)), so:

3n-5(-2n-4)

We multiply parentheses

3n+10n+20

We add all the numbers together, and all the variables

13n+20

Back to the equation:

-(13n+20)



We get rid of parentheses

-13n-20-84=0

We add all the numbers together, and all the variables

-13n-104=0

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

-13n=104

n=104/-13

n=-8

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