Matematika

Pertanyaan

2. y = 3 × -1 dan y = 2× -1
gimana caranya nih??
2. y = 3 × -1 dan y = 2× -1 gimana caranya nih??

2 Jawaban

  • Bab SPLDV
    Matematika SMP Kelas VIII

    y = y
    3x - 1 = 2x - 1
    3x - 2x = 1 - 1
    x = 0

    y = 2x - 1
    y = 0 - 1
    y = -1

    (0, -1)
  • y = 2x-1
    y= 3x-1

    y = 2x - 1
    3x -1 = 2x - 1
    3x-2x = -1 + 1
    x = 0


    y = 3x - 1
    y = 0 - 1
    y = -1