 сергейщепетинов 
                                                09.09.2020 02:56
                                                
                                                сергейщепетинов 
                                                09.09.2020 02:56
                                             LOxxx24124 
                                                09.09.2020 01:32
                                                
                                                LOxxx24124 
                                                09.09.2020 01:32
                                             Ангелок1105 
                                                09.09.2020 01:33
                                                
                                                Ангелок1105 
                                                09.09.2020 01:33
                                             solnechnaya2 
                                                09.09.2020 01:32
                                                
                                                solnechnaya2 
                                                09.09.2020 01:32
                                             Linamalinagamnina 
                                                09.09.2020 01:01
                                                
                                                Linamalinagamnina 
                                                09.09.2020 01:01
                                             erke22 
                                                09.09.2020 01:01
                                                
                                                erke22 
                                                09.09.2020 01:01
                                             ValeryaKN15 
                                                09.09.2020 01:32
                                                
                                                ValeryaKN15 
                                                09.09.2020 01:32
                                             jkh40949 
                                                09.09.2020 01:03
                                                
                                                jkh40949 
                                                09.09.2020 01:03
                                             leonru1 
                                                09.09.2020 01:31
                                                
                                                leonru1 
                                                09.09.2020 01:31
                                             bun3 
                                                09.09.2020 02:57
                                                
                                                bun3 
                                                09.09.2020 02:57
                                            
(937-х*54)*13-198=49
(937-54х)*13=49+198
(937-54х)*13=247
937-54х=247:13
937-54х=19
54х=937-19
54х=918
х=918:54
х=17
(937-х*54)*13-198=49
12181 - 702х-198=49
-702х= 49-12181+198
-702х=-11934
х= 17
ответ: х=17