12a=-4(-5a-2)+8a

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Solution for 12a=-4(-5a-2)+8a equation: 



12a=-4(-5a-2)+8a

We move all terms to the left:

12a-(-4(-5a-2)+8a)=0



We calculate terms in parentheses: -(-4(-5a-2)+8a), so:

-4(-5a-2)+8a

We add all the numbers together, and all the variables

8a-4(-5a-2)

We multiply parentheses

8a+20a+8

We add all the numbers together, and all the variables

28a+8

Back to the equation:

-(28a+8)



We get rid of parentheses

12a-28a-8=0

We add all the numbers together, and all the variables

-16a-8=0

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

-16a=8

a=8/-16

a=-1/2

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