r+7=-5+5r

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Solution for r+7=-5+5r equation:



r+7=-5+5r
We move all terms to the left:
r+7-(-5+5r)=0
We add all the numbers together, and all the variables
r-(5r-5)+7=0
We get rid of parentheses
r-5r+5+7=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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