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7 February, 04:02

X-2y=0, x²-y²=3

by step

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  1. 7 February, 04:14
    0
    x=2, y=1

    x=-2, y = - 1

    Step-by-step explanation:

    x - 2y = 0

    x = 2y

    x² - y² = 3

    (2y) ² - y² = 3

    3y² = 3

    y² = 1

    y = 1 or y = - 1

    x = 2 or x = - 2
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