-2r+2=-4

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Solution for -2r+2=-4 equation: 



-2r+2=-4

We move all terms to the left:

-2r+2-(-4)=0

We add all the numbers together, and all the variables

-2r+6=0

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

-2r=-6

r=-6/-2

r=+3

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