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8 November, 06:18

What is 15m+12n+5m-3n

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Answers (2)
  1. 8 November, 06:45
    0
    20m-9m

    you have to combine like terms.

    15 m goes with 5 m

    and 12n goes with negative 3n
  2. 8 November, 07:09
    0
    20m+9n you just have to add the 2 ms and minus 3n from 12n
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