Уравнение
73\14х-92\21х=20\9 решыте пжжжжжжж

73/14=5 3/14   92/21=4 8/21   20/9=2 2/9

5 3/14X-4 8/21X = 2 2/9

5 9/42X- 4 16/42X=2 2/9

35/42X = 2 2/9

35/42=5/6

X= 2 2/9:5/6

X= 20/9* 6/5

X=8/3

X=2 2/3