(31х + 191) : 6 = 276 - 53
(31х + 191) : 6 = 223
31х + 191 = 223 * 6
31х + 191 = 1338
31х = 1338 - 191
31х = 1147
х = 1147 / 31
х=37
(31х + 191) : 6 = 276 - 53
(31х + 191) : 6 = 223
31х + 191 = 223 * 6
31х + 191 = 1338
31х = 1338 - 191
31х = 1147
х = 1147 / 31
х=37