-136=8(-2+r)

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Solution for -136=8(-2+r) equation: 



-136=8(-2+r)

We move all terms to the left:

-136-(8(-2+r))=0

We add all the numbers together, and all the variables

-(8(r-2))-136=0



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

8(r-2)

We multiply parentheses

8r-16

Back to the equation:

-(8r-16)



We get rid of parentheses

-8r+16-136=0

We add all the numbers together, and all the variables

-8r-120=0

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

-8r=120

r=120/-8

r=-15

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