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17 December, 15:00

Which statements about the system are true? Select two options.

y = 2 x - 4

3y - x = - 7

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Answers (1)
  1. 17 December, 18:41
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    Step-by-step explanation:

    y = 2x - 4 ... (1)

    3y - x = - 7 ... (2)

    Putting (1) into (2)

    3 (2x - 4) - x = - 7

    6x - 12 - x = - 7

    6x - x = - 7 + 12

    5x = 5

    x = 5/5

    x = 1

    And y = 2x - 4 ... (1)

    y = 2 (1) - 4

    y = 2 - 4

    y = - 2
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