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Math 10

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solve this linear system
2/3m + 3/4n = 16
-1/2m + 3/8n = 18

  • Math 10 -

    clearing fractions, you have

    8m + 9n = 192
    -4m + 3n = 144

    add twice the bottom equation to the top one to get

    15n = 480
    n = 32

    Now getting m is easy.

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