-8-8r=4(r+1)

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Solution for -8-8r=4(r+1) equation: 



-8-8r=4(r+1)

We move all terms to the left:

-8-8r-(4(r+1))=0



We calculate terms in parentheses: -(4(r+1)), so:

4(r+1)

We multiply parentheses

4r+4

Back to the equation:

-(4r+4)



We get rid of parentheses

-8r-4r-4-8=0

We add all the numbers together, and all the variables

-12r-12=0

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

-12r=12

r=12/-12

r=-1

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