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17 February, 18:16

3m + 1m - 7 + 3m = 21 solve this one to

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Answers (2)
  1. 17 February, 18:18
    0
    Let's solve your equation step-by-step.

    3m + 1m - 7 + 3m = 21

    Step 1: Simplify both sides of the equation.

    3m + 1m - 7 + 3m = 21

    Simplify: (Show steps)

    7m - 7 = 21

    Step 2: Add 7 to both sides.

    7m - 7 + 7 = 21+7

    7m = 28

    Step 3: Divide both sides by 7.

    7m / 7 = 28/7

    m=4

    Answer: m = 4
  2. 17 February, 18:31
    0
    3m + 1m - 7 + 3m = 21

    3m + 1m - 7 + 3m = 21

    +7 + 7

    3m + 1m + 3m = 28

    7m = 28

    7m/7 = 28/7

    m=4
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