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Math

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0.05x+0.10y=1.30
x+y=19

  • Math - ,

    multiply the first by 20 to get rid of those nasty decimals
    x + 2y = 26
    subtract the second equation from that
    y = 7
    plug back into the 2nd
    x+7=19
    x=12

    x=12, y=7

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