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Miscellaneous·2018·Easy

If 65x - 33y = 97 and 33x - 65y = 1, then what is xy equal to?

If 65x - 33y = 97 and 33x - 65y = 1, then what is xy equal to?

Options

  1. a.

    2

  2. b.

    3

  3. c.

    '-2

    Correct answer
  4. d.

    '-3

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