Verified answer

Ответ:

Пошаговое объяснение:

(22/28-x)+19/28=25/28

22/28 - x + 19/28 = 25/28

41/28 - x = 25/28

x = 41/28 - 25/28

x = 16/28

x = 4/7

45/54-(x-7/54)=29/54

45/54 - x + 7/54 = 29/54

52/54 - x = 29/54

x = 52/54 - 29/54

x = 23/54