Příklady z matematiky

                 2x – 3y – 4 = 0  / (-3)

                 3x – y – 17 = 0  / (2)

             -6x + 9y + 12 = 0

               6x – 2y – 34 = 0

                       7y – 22 = 0

                              7y = 22

 

                                y =

 

 

x =                =

 

 

 

L1 = 2          -3         -  4 = 0

 

P1 = 0

 

 

L2 = 3          -         - 17 = 0

 

P2 = 0