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4 October, 06:14

8 + 7m = m + 5m

5 + 2n = - 1 + 4n

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Answers (1)
  1. 4 October, 08:46
    0
    8 + 7m=6m (combine like terms)

    8=-m (subtract 7m on both sides)

    m=8 (divide by - 1)

    5=-1+2n (subtract 2n on both sides)

    6=2n (add 1 on both sides)

    3=n (divide by 2 on both sides)
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