20=3r+2r

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Solution for 20=3r+2r equation:



20=3r+2r
We move all terms to the left:
20-(3r+2r)=0
We add all the numbers together, and all the variables
-(+5r)+20=0
We get rid of parentheses
-5r+20=0
We move all terms containing r to the left, all other terms to the right
-5r=-20
r=-20/-5
r=+4

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