Matematika

Pertanyaan

2x+2y=8
x+3y=8
cara subsitusi

1 Jawaban

  • 2x+2y=8
    x+3y=8
    => x = 8-3y

    2(8-3y) + 2y = 8
    16 -6y + 2y = 8
    8 = 4y
    y = 2

    x + 3(2) = 8
    x = 8-6 = 2

    Hp = {2,2}

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