Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

Step  2  :

            519 - 5
 Simplify   ———————
               7   

Step  3  :

Pulling out like terms :

 3.1     Pull out like factors :

   5¹⁹ - 5  =   5 • (1 - 1) 

Final result :

  5 • (1 - 1)
  ———————————
       7