Помогите решить уравнение 127+у=357-85 плиз что бы было написано решение

127+у=357-85 127+у=272        у=272-127        y=145

127+у=357-85                                                                                                          127+у=272                                                                                                              у=272-127                                                                                                               у=145                                                                                                       127+145=357-85                                                                                                             272=272                                                                                                             Ответ:у=145