Ответы и объяснения

2013-12-18T11:54:34+04:00
9х+47=880                                                                                                                  9x=880-47                                                                                                                    9x=833                                                                                                                        x=833/9- это дробь 833 девятых                                                                                 вроде бы так, целое тут навряд ли получиться.