-2r=-5-r

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Solution for -2r=-5-r equation: 



-2r=-5-r

We move all terms to the left:

-2r-(-5-r)=0

We add all the numbers together, and all the variables

-2r-(-1r-5)=0

We get rid of parentheses

-2r+1r+5=0

We add all the numbers together, and all the variables

-1r+5=0

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

-r=-5

r=-5/-1

r=+5

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