Matematika

Pertanyaan

please dijawab, butuh kali besok, pleasee
please dijawab, butuh kali besok, pleasee

2 Jawaban

  • Mapel Matematika
    Bab SPLDV

    (x - 1)/6 + y = 6
    ((x - 1) + 6y) / 6 = 6
    x - 1 + 6y = 36
    x + 6y = 37...(1)

    x + (y - 1)/4 = 8
    (4x + (y - 1)) / 4 = 8
    4x + y - 1 = 32
    4x + y = 33...(2)

    Eliminasi persamaan (1) dan (2)
    x + 6y = 37 (x4)
    4x + y = 33

    4x + 24y = 148
    4x + y = 33
    --------------------- -
    23y = 115
    y = 5

    x + 6y = 37
    x + 6(5) = 37
    x = 7
  • 6= (x - 1)/6 + y
    6= ((x - 1) + 6y) / 6
    36= x - 1 + 6y
    37= x + 6y
    37= (1)

    8= x + (y - 1)/4
    8= (4x + (y - 1)) / 4
    32= 4x + y - 1
    33= 4x + y
    33 = (2)

    Metode eliminasi
    37 (×4)= x + 6y
    33= 4x + y

    4x + 24y = 148
    4x + y = 33
    --------------------- -
    23y = 115
    y = 5

    x + 6y = 37
    x + 6(5) = 37
    x = 7