Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.3" was replaced by "(3/10)".

Step  1  :

             3
 Simplify   ——
            10

Equation at the end of step  1  :

         3
  (0 -  ——) • 5
        10

Step  2  :

Final result :

  -3            
  —— = -1.50000 
  2