-5r+8=-r

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Solution for -5r+8=-r equation: 



-5r+8=-r

We move all terms to the left:

-5r+8-(-r)=0

We add all the numbers together, and all the variables

-5r-(-1r)+8=0

We get rid of parentheses

-5r+1r+8=0

We add all the numbers together, and all the variables

-4r+8=0

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

-4r=-8

r=-8/-4

r=+2

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