-r+5r+2=-10

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Solution for -r+5r+2=-10 equation: 



-r+5r+2=-10

We move all terms to the left:

-r+5r+2-(-10)=0

We add all the numbers together, and all the variables

4r+12=0

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

4r=-12

r=-12/4

r=-3

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