-r+5=r-8

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



-r+5=r-8

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1r-r+8+5=0

We add all the numbers together, and all the variables

-2r+13=0

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

-2r=-13

r=-13/-2

r=6+1/2

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