2 2/5:(29x-1 2/3)=3 7/5

2 2/5:(29х-1 2/3)=3 5/7
12/5:(29х-5/3)=26/7
29х-5/3=12/5:26/7
29х-5/3=12/5*7/26
29х-5/3=42/65
29х=42/65+5/3
29х=126/195+325/195
29х=451/195
х=451/195:29
х=451/195*1/29
х=451/5655