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25 September, 14:27

20d + 13 - 12d = - 14

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Answers (2)
  1. 25 September, 14:54
    0
    20d + 13 - 12d = - 14

    combine like terms

    20d-12d = 8d

    8d+13 = - 14

    subtract 13 from each side:

    8d = - 27

    divide both sides by 8

    d = - 27/8
  2. 25 September, 15:10
    0
    The answer is D = - 27/8
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