L1: y=3x-2 & L2: 3y-9x+5=0, show these two lines are parallel

L1: y=3x-2L2: 3y-9x+5=0 3y=9x-5 y=3x-5/3standard form of a linear line, y=mx+c where m is the gradient. Gradient in both equations is 3 therefore they are parallel