1)(х+36)×10=1130
х+36=1130:10
х+36=113
х=113-36
х=77
2)21×х+349=832
21×х=832-349
21×х=483
х=483:21
х=23
3)х:12+524=1000
х:12=1000-524
х:12=476
х=12×476
х=5712
4)1022-(34х-5895)=15
34х-5895=1022-15
34х-5895=1007
34х5895+1007
34х=6902
х=6902:34
х=203
5)(х+296)×84=9758+16114
(х+296)×84=25872
х+296=25872:84
х+296=308
х=308-296
х=12
6)1971:х-439=(234×109):117
1971:х-439=234×109
1971:х-439=25506
1971:х-439=25506:117
1971:х-439=218
1971:х=439+218
1971:х=657
х=1971:657
х=3