SOLUTION: 2(r+5)=22r is thi a null set?

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Question 540159: 2(r+5)=22r is thi a null set?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
2(r+5)=22r
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2r + 10 = 22r
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20r = 10
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r = 1/2
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Cheers,
Stan H.