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24 August, 01:23

9. 2x - 3y = 21

5 - 2y = 25.

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Answers (2)
  1. 24 August, 02:04
    0
    -2y = 20

    y = - 10

    2x - 3 (-10) = 21

    2x + 30 = 21

    2x = - 9

    x = - 9/2

    The answer is (-9/2, - 10)
  2. 24 August, 03:20
    0
    (x, y) = (-33/4,-25/2)
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