87=-3(-5-3x)

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Solution for 87=-3(-5-3x) equation: 



87=-3(-5-3x)

We move all terms to the left:

87-(-3(-5-3x))=0

We add all the numbers together, and all the variables

-(-3(-3x-5))+87=0



We calculate terms in parentheses: -(-3(-3x-5)), so:

-3(-3x-5)

We multiply parentheses

9x+15

Back to the equation:

-(9x+15)



We get rid of parentheses

-9x-15+87=0

We add all the numbers together, and all the variables

-9x+72=0

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

-9x=-72

x=-72/-9

x=+8

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