-20-2a=-4(-8a-3)-2a

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Solution for -20-2a=-4(-8a-3)-2a equation: 



-20-2a=-4(-8a-3)-2a

We move all terms to the left:

-20-2a-(-4(-8a-3)-2a)=0



We calculate terms in parentheses: -(-4(-8a-3)-2a), so:

-4(-8a-3)-2a

We add all the numbers together, and all the variables

-2a-4(-8a-3)

We multiply parentheses

-2a+32a+12

We add all the numbers together, and all the variables

30a+12

Back to the equation:

-(30a+12)



We get rid of parentheses

-2a-30a-12-20=0

We add all the numbers together, and all the variables

-32a-32=0

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

-32a=32

a=32/-32

a=-1

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