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6 February, 21:45

The sum of digits of s two digit number is 8. If 36 is added to this number, the digits are

reversed. Find the number? (26)

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Answers (1)
  1. 7 February, 00:28
    0
    The number is 26.

    Step-by-step explanation:

    Let the number be xy.

    x + y = 8

    10x + y + 36 = 10y + x

    9x - 9y = - 36

    Multiply the first equation by 9:

    9x + 9y = 72

    Adding this equation to the previous one:

    18x = 36

    x = 2

    and y = 8 - 2 = 6.
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