-4=4(r-8)

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



-4=4(r-8)

We move all terms to the left:

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



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

4(r-8)

We multiply parentheses

4r-32

Back to the equation:

-(4r-32)



We get rid of parentheses

-4r+32-4=0

We add all the numbers together, and all the variables

-4r+28=0

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

-4r=-28

r=-28/-4

r=+7

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