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27 March, 17:06

Which equation forms a pair of linear equations with 9x+12y=48 such that the system has no soulution?

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  1. 27 March, 19:37
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    9x + 12y = 48

    9x - 9x + 12y = 48 - 9x

    12y = 48 - 9x

    12 12

    y = 4 - 3/4x

    9x + 12 (4 - 3/4x) = 48

    9x + 48 - 9x = 48

    9x - 9x + 48 = 48

    0x + 48 = 48

    -48 - 48

    0x = 0

    0 0

    x = 0

    9 (0) + 12y = 48

    0 + 12y = 48

    12y = 48

    12 12

    y = 4

    (x, y) = (0, 4)
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