-109=-7n-4(n+8)

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Solution for -109=-7n-4(n+8) equation: 



-109=-7n-4(n+8)

We move all terms to the left:

-109-(-7n-4(n+8))=0



We calculate terms in parentheses: -(-7n-4(n+8)), so:

-7n-4(n+8)

We multiply parentheses

-7n-4n-32

We add all the numbers together, and all the variables

-11n-32

Back to the equation:

-(-11n-32)



We get rid of parentheses

11n+32-109=0

We add all the numbers together, and all the variables

11n-77=0

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

11n=77

n=77/11

n=7

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