Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "r1"   was replaced by   "r^1". 

Step  1  :

            37
 Simplify   ——
            13

Equation at the end of step  1  :

   37
  (—— • r1588) • t
   13

Step  2  :

Equation at the end of step  2  :

  37r1588 
  ——————— • t
    13   

Step  3  :

Final result :

  37r1588t 
  ————————
     13