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4 April, 08:36

3x-2y=12 and 2x+4y=16

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Answers (1)
  1. 4 April, 08:38
    0
    Eliminate

    multiply first equation by 2

    6x-4y=24

    add to other equaiton

    6x-4y=24

    2x+4y=16 +

    8x+0y=40

    8x=40

    divide 8

    x=5

    sub

    2x+4y=16

    2 (5) + 4y=16

    10+4y=16

    4y=6

    divide 4

    y=6/4=3/2

    (5,3/2)
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