25/8:(х-103/24)=17/18+11/6
25/8:(х-103/24)=50/18
х-103/24=25/8:50/18
х-103/24=18/16
х=18/16+103/24
х=5 5/12
32 1/2=(х:10/9)*65/12
х:10/9=65/2:65/12
х:10/9=6
х=6*10/9
х=6 2/3
(21/5:х+4/3):74/35=23/15+4/5
(21/5:х+4/3):74/35=35/15
(21/5:х+4/3)=35/15*74/35
21/5:х+4/3=74/15
21/5:х=74/15-4/3
21/5:х=54/15
х=21/5:54/15
х=1 1/6
21/5:6/5=11/4*4-25/18х
21/6=11-25/18х
11-25/18х=21/6
-25/18х=21/6-11
-25/18х=-45/6
х=5 2/5