Question

1 5/14x - 5/28x = 23 4/7
помогите

Answer 1

1 5/14x - 5/28x = 23 4/7

19/14x - 5/28x = 165/7

38x - 5x = 660

33x = 660

x = 660 : 33

x = 20

Ответ: x = 20