解:5x/ 6 - 1 =7/3 5x-6 =14 5x=20 x=48x/2 -1= x+4.5+2|m|4x-1=x+4.5+2|m|3x-5.5=2|m|12-5.5=2|m|6.5=2|m||m| =3.25m=3.25或m=-3.25