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Discussion :: Linear Equations

  1.  A pair of linear equations which has a unique solution x = 2, y = –3 is

    2. A.

     x + y = –1 
    2x – 3y = –5
    B.

     2x + 5y = –11
    4x + 10y = –22
    C.

     2x – y = 1 
    3x + 2y = 0
    D.

    x – 4y –14 = 0
    5x – y – 13 = 0

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    Answer : Option D

    Explanation :

    x – 4y –14 = 0
    5x – y – 13 = 0

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