87=3+6(-4a-2)

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Solution for 87=3+6(-4a-2) equation: 



87=3+6(-4a-2)

We move all terms to the left:

87-(3+6(-4a-2))=0



We calculate terms in parentheses: -(3+6(-4a-2)), so:

3+6(-4a-2)

determiningTheFunctionDomain
6(-4a-2)+3

We multiply parentheses

-24a-12+3

We add all the numbers together, and all the variables

-24a-9

Back to the equation:

-(-24a-9)



We get rid of parentheses

24a+9+87=0

We add all the numbers together, and all the variables

24a+96=0

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

24a=-96

a=-96/24

a=-4

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