Matematika

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  • 1/4x + 1/6y = 4
    1/2x - 2/3y = 2

    1/4x + 1/6y = 4
    2/4x - 4/6y = 2

    2/4x - 4/6y = 2
    1/4x + 1/6y = 4

    x - 3/6y = -2

    x - 2y = -2

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