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14 October, 08:33

X + 8y = 18 and - 5x + 3y = - 4

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Answers (2)
  1. 14 October, 08:57
    0
    X+8y=18

    -5x+3y=-4

    Multiply the first equation by 5

    Add the two equations together

    5x+40y=90

    -5x+3y=-4

    43y=86

    Y=2

    Plug y into one equation to find x

    X+16=18

    X=2
  2. 14 October, 10:27
    0
    X+8y=18

    -5x+3y=-4

    Multiply the first equation by 5

    Add the two equations together

    5x+40y=90

    -5x+3y=-4

    43y=86

    Y=2

    Plug y into one equation to find x

    X+16=18

    X=2
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