Matematika

Pertanyaan

2x + 5y=17 dan 4x -3y=19

1 Jawaban

  • 2x + 5y=17
    4x -3y=19
    Pers 1 dikali 2
    4x + 10y=34
    4x -3y=19
    _________ -
    13 y = 15
    y = 15/13

    Substitusikan
    2x + 5y = 17
    2x + 75/13 = 17
    2x = 146/13
    x = 73/13

    HP = {(73/13, 15/13)}

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