128=-4(-8-4r)

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Solution for 128=-4(-8-4r) equation: 



128=-4(-8-4r)

We move all terms to the left:

128-(-4(-8-4r))=0

We add all the numbers together, and all the variables

-(-4(-4r-8))+128=0



We calculate terms in parentheses: -(-4(-4r-8)), so:

-4(-4r-8)

We multiply parentheses

16r+32

Back to the equation:

-(16r+32)



We get rid of parentheses

-16r-32+128=0

We add all the numbers together, and all the variables

-16r+96=0

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

-16r=-96

r=-96/-16

r=+6

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