Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "13.5" was replaced by "(135/10)".

Step  1  :

            27
 Simplify   ——
            2 

Equation at the end of step  1  :

             27
  0 -  (50 • ——)
             2 

Step  2  :

                  27
 Divide  180  by  ——
                  2 

Equation at the end of step  2  :

             40
  0 -  (50 • ——)
             3 

Step  3  :

Final result :

  -2000              
  ————— = -666.66667 
    3