Show that the lines 3x - 2y + 8 = 0 and 5x -3x/3y - 4 = 0 are parallel ? HELP!?

This is for my maths exam tomorrow and im stuck. i know that parallel lines have the same gradient/slope but the second equation is tricky as it involves 3x/3y. i dont know how to rearrange it to y = mx = c ??