Решите уравнения с проверкой х+8*3=300, х+540/10=92, 7*х=851-151, 90/а=600/10

х+8*3=300 х+24=300 х=300-24 х=276            проверка:   276+8*3=300                                           276+24=300                                              300=300 х+540:10=92 х+54=92 х=92-54 х=38                       проверка: 38+540:10=92                                                   38+54=92                                                       92=92 7*х=851-151 7*х=700 х=700:7 х=100                         проверка:     7*100=851-151                                                             700=700 90:а=600:10 90:а=60 а=90:60 а=1,5                      проверка:     90:1,5=600:10                                                          60=60