Matematika

Pertanyaan

Metode eliminasi 7×-y=6 , 3× +2y=5

2 Jawaban

  • 7x-y = 6
    3x+2y = 5

    14x-2y = 12
    3x+2y = 5
    17x = 17
    x = 1

    7x-y = 6
    7(1)-y = 6
    -y = 6-7
    y = 1

    jadi, x = 1 dan y = 1 (1,1)

    semoga bisa membantu!! terima kasih!!
  • 7x-y=6. |×2
    3x+2y=5. |×1
    ___________+
    7x-2y=12
    3x+2y=5
    __________+
    10x =17
    x. =1,7

    7x-y =6
    7(1,7) - y =6
    -y. =6-11,9
    y. =5,9

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