Х + 123 = 560
х = 560 - 123
х = 437
---------------------
х - 47 = 124
х = 124 + 47
х = 171
--------------------
213 - х = 98
х = 213 - 98
х = 115
-------------------
(68 - m) + 16 = 24
(68 - m) = 24 - 16
68 - m = 8
m = 68 - 8
m = 60
-----------------------
85 - (14 +n) = 68
(14 + n) = 85 - 68
14 + n = 17
n = 17 - 14
n = 3
-------------------
(524 - m) - 133 = 207
(524 - m) = 207 + 133
524 - m = 340
m = 524 - 340
m = 184