titik potong antara garis y=4x-11 dgn garis 3y=-2x-5

y = y
4x - 11 = (-2x - 5)/3
Kali silang
12x - 33 = -2x - 5
12x + 2x = 33 - 5
14x = 28
x = 2

y = 4x - 11
y = 8 - 11
y = -3

Titik potong = (2,-3) ✓