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14 February, 19:39

Twice the difference of a number and 9 is 7

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Answers (2)
  1. 14 February, 21:41
    0
    (x-9) ^2=7

    "twice the difference of a number" would mean x-9 twice equals 7
  2. 14 February, 22:57
    0
    x=12.5

    Step-by-step explanation:

    Let the number be x

    2 (x-9) = 7

    2x-18=7

    2x=7+18

    2x=25

    x=25/2

    x=12.5
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