SOLUTION: 5(2r+6)-30 if r=2

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Question 276526: 5(2r+6)-30 if r=2
Answer by checkley77(12844) About Me  (Show Source):
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5(2r+6)-30 if r=2
5(2*2+6)-30
5(4+6)-30
5*10-30
50-30
20 ans.