87=3(-3a+5)

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Solution for 87=3(-3a+5) equation: 



87=3(-3a+5)

We move all terms to the left:

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



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

3(-3a+5)

We multiply parentheses

-9a+15

Back to the equation:

-(-9a+15)



We get rid of parentheses

9a-15+87=0

We add all the numbers together, and all the variables

9a+72=0

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

9a=-72

a=-72/9

a=-8

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