Question

помогите очень срочно!!!​

Answer 1

2 1/15 - 1 2/5 х = 1 5/20

31/15 - 7/5 х = 25/20

31/15 - 7/5 х = 5/4

60 • 31/15 - 60 • 7/5 х = 60• 5/4

124 - 84х = 75

-84х = 75 - 124

-84х = -49

х= 49/84

х= 7/12

Ответ: х= 7/12