Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.028" was replaced by "(028/1000)".

Step  1  :

             7 
 Simplify   ———
            250

Equation at the end of step  1  :

        7 
  0 -  ———
       250

Step  2  :

Final result :

   -7            
  ——— = -0.02800 
  250