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6 March, 05:15

4m=9m-20 equals what

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Answers (2)
  1. 6 March, 05:34
    0
    4m=9m-20

    0=5m-20 (subtract 4m to both sides)

    5m=20 (add 20 to both sides)

    m=4 (divide by 5 to both sides)
  2. 6 March, 06:01
    0
    4m=9m-20

    You need to get "m" all on one side.

    Take - 9m from each side

    -5m=-20

    Divide - 20 by - 5m

    -20:-5=4

    m=4
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