Matematika

Pertanyaan

Selesaikan sistem persamaan 2x - 3y = 0 dan 2x + 7y - 3 = 0 dengan cara eliminasi!

1 Jawaban

  • 2x - 3y = 0
    2x + 7y - 3 = 0

    2x + 7y - 3 = 0
    2x + 7y = 3

    2x - 3y = 0
    2x + 7y = 3
    ________—
    - 10y = - 3
    y = 3/10
    y = 0,3

    2x - 3y = 0|× 7
    2x + 7y = 3|× 3

    14x - 21y = 0
    6x + 21y = 9
    _________+
    20x = 9
    x = 9/20
    x = 0,45

    Maaf Kalau Salah

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