-128=-4a-4(5a+2)

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Solution for -128=-4a-4(5a+2) equation: 



-128=-4a-4(5a+2)

We move all terms to the left:

-128-(-4a-4(5a+2))=0



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

-4a-4(5a+2)

We multiply parentheses

-4a-20a-8

We add all the numbers together, and all the variables

-24a-8

Back to the equation:

-(-24a-8)



We get rid of parentheses

24a+8-128=0

We add all the numbers together, and all the variables

24a-120=0

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

24a=120

a=120/24

a=5

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