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31 January, 08:30

Substitute method 9x - 2y = 3 3x - 6 = y

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Answers (2)
  1. 31 January, 09:12
    0
    Answer: (-3, - 15)

    X = - 3 and Y = - 15
  2. 31 January, 12:08
    0
    9x - 2y = 3

    3x - 6 = y

    Substitute y

    9x - 2 (3x - 6) = 3

    Distribute

    9x - 6x + 12 = 3

    3x + 12 = 3

    3x = - 9

    x = - 3

    Plug in x

    3 (-3) - 6 = y

    -9 - 6 = y

    y = - 15

    Answer:

    x = - 3

    y = - 15
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