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2 November, 13:23

Y - x = 12

x - 4y = 27

The Answer

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Answers (1)
  1. 2 November, 13:42
    0
    X = - 25

    Y = - 13

    Step-by-step explanation:

    1) Y-x=12

    2) - 4y+x=27

    1) + 2) = - 3y=39 l : - 3

    Y = - 13

    -13-x=12 l + 13

    X=-25
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