-8+r=-5r+2(4r-7)

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Solution for -8+r=-5r+2(4r-7) equation: 



-8+r=-5r+2(4r-7)

We move all terms to the left:

-8+r-(-5r+2(4r-7))=0



We calculate terms in parentheses: -(-5r+2(4r-7)), so:

-5r+2(4r-7)

We multiply parentheses

-5r+8r-14

We add all the numbers together, and all the variables

3r-14

Back to the equation:

-(3r-14)



We get rid of parentheses

r-3r+14-8=0

We add all the numbers together, and all the variables

-2r+6=0

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

-2r=-6

r=-6/-2

r=+3

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