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7 March, 15:03

Sum of a number X and three is twelve

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Answers (2)
  1. 7 March, 16:44
    0
    (x) + (3) = 12

    x=12-3

    x=9 ...
  2. 7 March, 17:36
    0
    X+3=12

    -3=-3

    x=9

    would be the sum of X and three is twelve
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