-2r+7=-r

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Solution for -2r+7=-r equation:



-2r+7=-r
We move all terms to the left:
-2r+7-(-r)=0
We add all the numbers together, and all the variables
-2r-(-1r)+7=0
We get rid of parentheses
-2r+1r+7=0
We add all the numbers together, and all the variables
-1r+7=0
We move all terms containing r to the left, all other terms to the right
-r=-7
r=-7/-1
r=+7

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