-8=2(r-17)

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Solution for -8=2(r-17) equation: 



-8=2(r-17)

We move all terms to the left:

-8-(2(r-17))=0



We calculate terms in parentheses: -(2(r-17)), so:

2(r-17)

We multiply parentheses

2r-34

Back to the equation:

-(2r-34)



We get rid of parentheses

-2r+34-8=0

We add all the numbers together, and all the variables

-2r+26=0

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

-2r=-26

r=-26/-2

r=+13

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