Question

Решить x-14/7=x-7/14

Answer 1

Ответ:

Пошаговое объяснение:

(x-14)/7=(x-7)/14

14*(x-14) = 7*(x-7)

14x - 196 = 7x - 49

14x - 7x = 196 - 49

7x = 147

x = 147 : 7

x = 21

===========или

(x-14)/7=(x-7)/14

(2x - 28)/14 = (x - 7)/14

2x - 28 = x - 7

2x - x = 28 - 7

x = 21