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2 October, 01:01

3 m + 12 = 2 m + 20 - 2 what is m

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  1. 2 October, 04:43
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    Start by simplifying the right side:

    3m + 12 = 2m + (20-2)

    3m + 12 = 2m + 18

    Now get m's on to one side:

    3m + 12 = 2m + 18

    -2m - 2m (Subtract 2m from both sides)

    m + 12 = 18

    Now get the constants on to the other side:

    m + 12 = 18

    -12 - 12

    So:

    m = 18-12

    m=6
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