-115=-7n-8(5+n)

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Solution for -115=-7n-8(5+n) equation: 



-115=-7n-8(5+n)

We move all terms to the left:

-115-(-7n-8(5+n))=0

We add all the numbers together, and all the variables

-(-7n-8(n+5))-115=0



We calculate terms in parentheses: -(-7n-8(n+5)), so:

-7n-8(n+5)

We multiply parentheses

-7n-8n-40

We add all the numbers together, and all the variables

-15n-40

Back to the equation:

-(-15n-40)



We get rid of parentheses

15n+40-115=0

We add all the numbers together, and all the variables

15n-75=0

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

15n=75

n=75/15

n=5

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