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23 November, 13:16

What are the solutions to the following system of equations?

y = x2 + 3x - 7

3x - y = - 2

+1
Answers (1)
  1. 23 November, 13:23
    0
    y = x² + 3x - 7

    3x - y = - 2

    3x - y = - 2

    - 3x - 3x

    -y = - 3x - 2

    y = 3x + 2

    x² + 3x - 7 = 3x + 2

    - 3x - 3x

    x² - 7 = 2

    + 7 + 7

    x² = 9

    x = ±3

    The solutions to the following system of equations is ±3.
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