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7 October, 09:36

X+y=1 2x-y=-2 what is the answer to this problem?

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  1. 7 October, 13:19
    0
    x + y = 1

    2x - y = - 2

    3x = - 1

    3 3

    x = ⁻¹/₃

    x + y = 2

    ⁻¹/₃ + y = 2

    + ¹/₃ + ¹/₃

    y = 2¹/₃

    (x, y) = (⁻¹/₃, 2¹/₃)
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