8-4r=-8(r-3)

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Solution for 8-4r=-8(r-3) equation: 



8-4r=-8(r-3)

We move all terms to the left:

8-4r-(-8(r-3))=0



We calculate terms in parentheses: -(-8(r-3)), so:

-8(r-3)

We multiply parentheses

-8r+24

Back to the equation:

-(-8r+24)



We get rid of parentheses

-4r+8r-24+8=0

We add all the numbers together, and all the variables

4r-16=0

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

4r=16

r=16/4

r=4

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