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12 November, 11:45

3x - y = 4 2x + y = 6 (2, 2) (3, 0) (-1, - 7) (0, - 4)

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Answers (2)
  1. 12 November, 14:02
    0
    hello:

    3x - y = 4 ... (1)

    2x + y = 6 ... (2)

    by (1) : y=3x-4

    by (2) : y = - 2x+6

    3x-4 = - 2x+6

    5x = 10 ... x = 2

    y = 3 (2) - 4 = 2

    (2, 2) has solution of system
  2. 12 November, 14:30
    0
    The answer is 2,2

    as 3*2 - 2 = 4

    ans 2*2 + 2 = 4

    So it satisfies both eqautions
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