8r=8(2r+7)

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Solution for 8r=8(2r+7) equation: 



8r=8(2r+7)

We move all terms to the left:

8r-(8(2r+7))=0



We calculate terms in parentheses: -(8(2r+7)), so:

8(2r+7)

We multiply parentheses

16r+56

Back to the equation:

-(16r+56)



We get rid of parentheses

8r-16r-56=0

We add all the numbers together, and all the variables

-8r-56=0

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

-8r=56

r=56/-8

r=-7

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