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22 September, 18:57

Check the consistency of 2x-3y=7 and x-2y+1=0

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  1. 22 September, 21:23
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    x = 17, y = 9

    or as an ordered pair, (17, 9).

    The equations are consistent.

    Step-by-step explanation:

    2x - 3y = 7

    x - 2y = - 1 Multiply this equation by - 2:

    -2x + 4y = 2 Add this to the first equation:

    y = 9.

    Plug y = 9 into the second equation:

    x - 2*9 = - 1

    x = - 1 + 18 = 17.
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