Tentukan pers garis yang melalui titik (-1,3) dan(5,-3)

x-x1/x2-x1 = y-y1/y2-y1
x+1/5+1 = y-3/-3-3
x+1/6 = y-3/-6
-6(x+1) = 6(y-3)
-6x-6 = 6y-18
-6x-6y = 6-18
-6x-6y = -12
-x-y = -2
maaf lho kalo salah