Matematika

Pertanyaan

2x + 3y = 8
3x + 2y = 8

1 Jawaban

  • 2x + 3y = 8 (3)
    3x + 2y = 8 (2)

    6x + 9y = 24
    6x + 4y = 16
    ___________ -
    5y = 8
    y = 8/5
    y = 1,6


    6x + 9y = 24
    6x + 9 . 1,6 = 24
    6x + 14,4 = 24
    6x = 24 - 14,4
    6x = 9,6
    x = 9,6/6
    x = 1,6

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