persamaan garis melalui titik(5,8)dan(0,3)

(5,8)dan(0,3)
Y - y1 / y2 - y1 = x - x1 / x2 - x1
Y - 8 / 3 - 8 = x - 5 / 0 - 5
Y - 8 / -5 = x - 5 / -5

-5x+25=-5y+40
-5x+5y = 40-25
-5x+5y = 15
-5x+5y-15 = 0 (dibagi 5)
-x+y-3 = 0