A positive number is 5 times another number. if 21 is added to both the numbers' then one of the new numbers became twice the other new number. what are the numbers?,
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Answer: THENUMBER IS 7
Step-by-step explanation:
2(X+21)=5X+21
2X+42=5X+21
42-21=5X-2X
21=3X
7=X
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