-87=-3(8+3n)

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Solution for -87=-3(8+3n) equation: 



-87=-3(8+3n)

We move all terms to the left:

-87-(-3(8+3n))=0

We add all the numbers together, and all the variables

-(-3(3n+8))-87=0



We calculate terms in parentheses: -(-3(3n+8)), so:

-3(3n+8)

We multiply parentheses

-9n-24

Back to the equation:

-(-9n-24)



We get rid of parentheses

9n+24-87=0

We add all the numbers together, and all the variables

9n-63=0

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

9n=63

n=63/9

n=7

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