(72 - (x + 2). 8): 2 = 8
72 - 8х - 16 = 16
-8х = -40
х = 5
((x - 14). 7 + 18): 9 = 9
7х - 98 + 18 = 81
7х = 161
х = 23
(72 - (x + 2). 8): 2 = 8
72 - 8х - 16 = 16
-8х = -40
х = 5
((x - 14). 7 + 18): 9 = 9
7х - 98 + 18 = 81
7х = 161
х = 23