SOLUTION: 3(3r+r)=2r+4

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Question 1018351: 3(3r+r)=2r+4
Answer by satyareddy22(84) About Me  (Show Source):
You can put this solution on YOUR website!
3(3r+r)=2r+4
3(4r)=2r+4
12r=2r+4
12r-2r=4
10r=4
r=4/10=2/5
r=2/5