75883-(31200+x) = 333
222-(560÷x+27) = 188

75883-(31200+х)=333,
75883-31200-х=333,
44683-х=333,
х=44683-333,
х=44350.
Ответ: 44350.

222-(560÷x+27)=188,
-(560+27х)=-34,
-560-27х=-34х,
-27х+34х=560,
7х=560,
х=560÷7,
х=80.
Ответ: 80.