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11 July, 07:37

What is y = 5 - 2x

3x - 2y = 4

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Answers (1)
  1. 11 July, 08:25
    0
    x = 2

    y = 1

    Step-by-step explanation:

    y = 5 - 2x (1)

    3x - 2y = 4 (2)

    From (1), substitute in (2)

    3x - 2 (5 - 2x) = 4

    3x - 10 + 4x = 4

    Collecting like terms

    3x + 4x = 4 + 10

    7x = 14

    x = 2

    Since x = 2

    Therefore

    y = 5 - 2x

    y = 5 - 2 (2)

    y = 5 - 4

    y = 1
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