-3r+25+r+21=2

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Solution for -3r+25+r+21=2 equation: 



-3r+25+r+21=2

We move all terms to the left:

-3r+25+r+21-(2)=0

We add all the numbers together, and all the variables

-2r+44=0

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

-2r=-44

r=-44/-2

r=+22

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