Solution - Simplification or other simple results

Step  1  :

            3
 Simplify   —
            7

Equation at the end of step  1  :

       63
  0 -  ——)
       7 

Step  2  :

                -3
 Divide  6  by  ——
                7 

Equation at the end of step  2  :

  0 -  -14

Step  3  :

Final result :

  14