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  :

Equation at the end of step  1  :

  0 -  (3 • (22^-1))
 Step  2  :

Equation at the end of step  2  :

       3
  0 -  —
       4

Step  3  :

Final result :

  -3            
  —— = -0.75000 
  4