-4r=8-8r

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



-4r=8-8r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-4r+8r-8=0

We add all the numbers together, and all the variables

4r-8=0

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

4r=8

r=8/4

r=2

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