Реши уравнения, используя второе свойство равенства
8у*5=56*5, 146а-97=(9+26)*7

1 8у*5=56*5                                                                                                              40у=280                                                                                                                 у=280:45                                                                                                                 у=7                                                                                                                         2 146а-97=(9+26)*7          
    146а-97=63+182
    146а=63+182+97
    146а=342
     а=342:146
     а=х