Question

24+(у-52)=81 решить уравнение

Answer 1

 (x-18)-73=39 и 24+ (у-52) =81

Answer 2

24+(у-52)=81
у-52=81-24
у-52=57
у=57+52
у=109.        проверка       24+(109-52)=81
                                        24+57=81
                                              81=81.