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16 August, 06:23

Is (5,1) a solution to the equation 2x-y=11? Explain

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Answers (2)
  1. 16 August, 08:11
    0
    This is simple. Coordinate form is (x, y) so you would just plug in your values.

    2 (5) - (1) = 11

    10-1 does not equal 11, so no it is not a solution.
  2. 16 August, 10:02
    0
    Substitute the x for 5 and the y for 1.

    (2) (5) - (1) = 11

    10 - 1 = 9

    9 does not equal 11

    So, (5,1) is not a solution.
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