Ответы и объяснения

Лучший Ответ!
2012-03-05T19:11:16+04:00

9,728х+7,272х=4,08        38,6х-16,6х=14,74                      1,2х+4,6х-2,8=0,15              17х=4,08                         22х=14,74                                   3х=0,15                              х=4,08:17                         х=14,74:22                                  х=0,15:3                            х=0,24                             х=0,67                                         х=0,05