-2r+6r=-20

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Solution for -2r+6r=-20 equation: 



-2r+6r=-20

We move all terms to the left:

-2r+6r-(-20)=0

We add all the numbers together, and all the variables

4r+20=0

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

4r=-20

r=-20/4

r=-5

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