Mathematics, 09.06.2021 17:30, Oregonduckerz

The sum of the two digits of a certain number is 7. If 9 is added to the original number, the new number will have the original digits reversed. Find the number. (Hint: Let ube
the tens digit and let y be the ones digit, so that the value os the number is 10x + y.)
Number

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The sum of the two digits of a certain number is 7. If 9 is added to the original number, the new n...