tolong dijawab nomor 11 pakai jalan plis

x-6y=0
-5x+3y=0

y-y1/y2-y1 = x-x1/x2-x1
y-3/-6-3 = x-(-5) /x2-(-5)
-5(y-3) = 9(x+5)
-5y+15=9x+45
-9x-5y+15-45=0
-9x-5y+30=0

semoga beruntung