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15 September, 14:51

Simplify and solve this equation 4 m + 9 + 5 + - 12 equals 42

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Answers (2)
  1. 15 September, 15:49
    0
    4m + 9 + 5 - 12 = 42

    4m + 2 = 42

    4m = 40

    m = 10
  2. 15 September, 16:15
    0
    4 m + 9 + 5 + (-12) = 42

    4m + 14 - 12 = 42

    4m + 2 = 42

    4m = 42 - 2

    4m = 40 [:4

    m = 10
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