8*(5400-s)=5536
8*5400-8s=5536
43200-8s=5536
43200-5536=8s
37664=8s
s=37664:8
s=4708
Проверка
8*(5400-4708)=5536
8*692=5536
5536=5536
t:(6400-6393)=8500
t:7=8500
t=8500*7
t=59500
Проверка
59500:(6400-6393)=8500
59500:7=8500
8500=8500
(119+h):8=765
(119+h)=765*8
119+h=6120
h=6120-119
h=6001
Проверка
(119+6001):8=765
6120:8=765
765=765