2 2/5 : (29х - 1 2/3) = 3 1/5

2 2/5:(29х-1 2/3)=3 1/5
29х-1 2/3=12/5:16/5
29х-1 2/3=3/4
29х=3/4+1 2/3
29х=9/12+1 8/12
29х=1 17/12
29х=2 5/12
х=29/12:29
х=1/12