Х + 2 2/11 = 5
х = 5 - 2 2/11
х = 4 11/11 - 2 2/11
х = 2 9/11
-----------------
26 5/8 + х = 30
х = 30 - 26 5/8
х = 29 8/8 - 26 5/8
х = 3 3/8
-----------------------
х - 6 5/6 = 2/9
х = 2/9 + 6 5/6
х = 4/18 + 6 15/18
х = 6 19/18
х = 7 1/18
--------------------------
11 1/4 - х = 3 7/10
х = 11 1/4 - 3 7/10
х = 11 5/20 - 3 14/20
х = 10 25/20 - 3 14/20
х = 7 11/20
----------------------------
3 11/24 - х = 1 1/6 + 1 1/9
3 11/24 - х = 1 3/18 + 1 2/18
3 11/24 - х = 2 5/18
х = 3 11/24 - 2 5/18
х = 3 33/72 - 2 20/72
х = 1 13/72
-------------------------------
х + 5/7 - 1/8 = 2/3 - 1/14
х + 5/7 - 1/8 = 28/42 - 3/42
х + 40/56 - 7/56 = 25/42
х + 33/56 = 25/42
х = 25/42 - 33/56
х = 100/168 - 99/168
х = 1/168