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5 August, 14:24

21x+28=14 and 9x+12y=6

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  1. 5 August, 15:53
    0
    21x+28=14

    x = - 2/3 or - 0.666666666

    9x+12y=6

    x=2/3 or. 666666666

    y=0
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