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7 August, 10:51

How many solutions does this linear system have? y=2x-5 - 8x-4y=-20

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  1. 7 August, 10:53
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    -8x - 4y = - 20 ... divide by - 4

    2x - y = 5 ... rearrange

    2x - 5 = y

    this is the same as the other equation ... this means they are the same line with infinite solutions
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