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16 July, 21:26

Which is a solution - 2x-y=1 and - 4x-2y=-1

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  1. 16 July, 21:55
    0
    No solutions.

    Step-by-step explanation:

    -2x - y = 1

    -4x - 2y = - 1 Multiply the first equation By - 2:

    4x + 2y = - 2 Adding:

    0 = - 3

    which is absurd so there are no solutions.
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