First you multiply both sides by 3 so then it looks like:

3/6 - (3x)/2 = x-5

Then you put anything with variables on one side by adding (3x)/2 and 5 to both sides.

5.5 = x + (3x)/2

5.5 = 2.5 x

Now divide both sides by 2.5 to get the x by itself.

2.2 = x

Voila!