Решить уравнение: х/2-1=х/3 ; х-1/2=4+2х/3

1)  1/2 х - 1 = 1/3 х                                 2)   х - 1/2 = 4 + 2/3 х

1/2 х - 1/3 х = 1                                            х - 2/3 х = 4 + 1/2

3/6 х - 2/6 х = 1                                            1/3 х = 4 1/2 = 9/2

1/6 х = 1                                                        х = 9/2 : 1/3

х = 1 : 1/6 = 1 * 6/1                                       х = 9/2 * 3/1= 27/2

х = 6                                                              х = 13 1/2 = 13,5