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25 July, 12:13

A first number plus twice a second number is 14 twice the first number plus the second totals 31

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Answers (2)
  1. 25 July, 13:59
    0
    X+2y=14

    2x+y=31

    x=-2y+14

    -4y+28+y=31

    -3y=3

    y=-1

    x-2=14

    x=16

    The first number is 16 and the second number is - 1
  2. 25 July, 14:44
    0
    What is the question?
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