(4 7/8:x-1 3/4 )×1 1/21=3 2/3

Question

(4 7/8:x-1 3/4 )×1 1/21=3 2/3

Answer 1

4 7/8:x-1 3/4= 3 2/3: 1 1/21
4 7/8:x-1 3/4= 7/2
4 7/8:x= 1 3/4+ 7/2
4 7/8:x= 5 1/4
х= 4 7/8 :5 1/4
х= 39/42