You need to multiply both sides of the equation by '2' to get rid of the fractions and then move the variables to one side and the constants to the other.

If you are not satisfied with the number of solution steps displayed (either too many steps or too few), click on the Options button to adjust the number of steps to be shown. By selecting 'Show: a lot of steps' you will get more step by step solution:

   

You can obtain an explanation for any step by clicking on it. Please note that you cannot click on the very first expression, which is the original problem.