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8 September, 03:45

4m plus 9 plus five m minus 12 equal 42

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Answers (2)
  1. 8 September, 05:23
    0
    4m + 9 + 5m - 12 = 42

    4m + 5m = 42 - 9 + 12

    9m = 45

    m = 45/9

    m = 5
  2. 8 September, 07:35
    0
    4m + 9 + 5m - 12 = 42

    9m - 3 = 42

    +3 + 3

    9m = 45

    /9 / 9

    m = 5
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