№ 694                                                                   № 695

Х +Х/7 = -8                                                              Х + Х/2 = - 6

Х + 1/7Х =  - 8                                                        Х +1/2 Х = - 6

(1 1/7) Х = - 8                                                         (1 1/2)Х = - 6

8/7Х = - 8                                                                3/2 Х = - 6

Х = - 8 :8/7 = - 8 х7/8                                               Х = - 6 : 3/2 = - 6 х 2/3

Х = - 1                                                                        Х = - 4