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12 April, 17:47

The sum of two numbers is 21 and their difference is 5

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Answers (2)
  1. 12 April, 20:26
    0
    X+Y = 21 - --> Y = 21-x

    X-y = 5

    x - (21-x) = 5

    2x - 21 = 5

    2x = 26

    x = 13

    13 and 8
  2. 12 April, 21:10
    0
    The two numbers are 13 and 8.

    13 + 8 = 21

    The difference (13 - 8) is 5.
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