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9 April, 11:39

The sum of the digits of a two-digit number is 14. If the number formed by reversing the digits is less than the original number by 18. Find the original numbers.

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  1. 9 April, 12:05
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    86

    Step-by-step explanation:

    1. a+b=14 ⇒ a = 14-b

    2. 10a+b=18+10b+a ⇒ a = 2+b

    comparing 1 and 2:

    14-b = 2+b ⇒ 2b = 12 ⇒ b = 6

    a = 14-b = 8

    number = 86

    reversed number = 68
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