-28+8a=-2a+3(4+6a)

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Solution for -28+8a=-2a+3(4+6a) equation: 



-28+8a=-2a+3(4+6a)

We move all terms to the left:

-28+8a-(-2a+3(4+6a))=0

We add all the numbers together, and all the variables

8a-(-2a+3(6a+4))-28=0



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

-2a+3(6a+4)

We multiply parentheses

-2a+18a+12

We add all the numbers together, and all the variables

16a+12

Back to the equation:

-(16a+12)



We get rid of parentheses

8a-16a-12-28=0

We add all the numbers together, and all the variables

-8a-40=0

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

-8a=40

a=40/-8

a=-5

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