Matematika

Pertanyaan

2x - y = 1 dan 3x + 2y = 12

1 Jawaban

  • 2x - y = 1 |×2
    3x + 2y = 12

    4x - 2y = 2
    3x + 2y = 12
    ------------------(+)
    7x = 14
    x = 2

    2x - y = 1
    2(2) - y = 1
    - y = 1 - 4
    y = 3

    Hp = {2,3}

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