Решить уравнение х: 3=171-162 , 6: х=9: 3

х:3=171-162 ,                  6:х=9:3
х:3=9                                6:х=3
х=9*3                                х=6:3
 х=27                                 х=2
27:3=9                              6:2=3
 9=9                                   3=3

1) х:3=9 х=3
2) 6:х=3 х=2