8=8r-(4r+8)

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



8=8r-(4r+8)

We move all terms to the left:

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



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

8r-(4r+8)

We get rid of parentheses

8r-4r-8

We add all the numbers together, and all the variables

4r-8

Back to the equation:

-(4r-8)



We get rid of parentheses

-4r+8+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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