Tolong bantu ya, besok di kumpul... Plissss,, tentang persamaan linear dua variabel :2y-12x-3=0

2y-12x-3=0
2y = 12x + 3
y = (12x +3)/2
y = 6x + 3/2

6x + 3/2 = 0
6x = - 3/2
  x = - 3/(2 . 6)
  x = - 3/12
  x = - 1/4

Jadi saat x = - 1/4 maka nilai  y=0