Matematika

Pertanyaan

jawabbban apaaasaaaaa
jawabbban apaaasaaaaa

2 Jawaban

  • 4x - 3y = 11 (dikali 2 untuk eliminasi y)
    5x - 6y = 16


    8x - 6y = 22
    5x - 6y = 16

    didapatkan, 3x = 6, maka x = 2

    4x - 3y = 11
    4 . 2 - 3y = 11
    8 - 3y = 11
    -3y = 3
    y = -1
  • 4x - 3y = 11 |x2|
    5x - 6y = 16 |x1|
    --------------------------
    8x - 6y = 22
    5x - 6y = 16
    --------------------------- -
    -3x = -6
    x = 2

    4x - 3y = 11
    4(2) - 3y = 11
    8 - 3y = 11
    -3y = 11 - 8
    -3y = 3
    y = -1