-87=3(-3k-8)

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Solution for -87=3(-3k-8) equation: 



-87=3(-3k-8)

We move all terms to the left:

-87-(3(-3k-8))=0



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

3(-3k-8)

We multiply parentheses

-9k-24

Back to the equation:

-(-9k-24)



We get rid of parentheses

9k+24-87=0

We add all the numbers together, and all the variables

9k-63=0

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

9k=63

k=63/9

k=7

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