Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "*-1" was replaced by "*(-1)".

Step  1  :

            2
 Simplify   —
            3

Equation at the end of step  1  :

  2
  — • -1
  3

Step  2  :

Final result :

  -2            
  —— = -0.66667 
  3