A positive number is 5 time another number. If 21 is added to both the numbers, then one of the new numbers become twice of other new numbers. Find the original numbers.
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Answer:
According to the question,
5x+21=2(x+21)
5x+21=2x+42⇒5x+21=2x+42
5x-2x=42-21⇒5x−2x=42−21
3x=21⇒3x=21
⇒x= 21/3
=7
Hence another number = 7 and positive number = 7 x 5 = 35.
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