Предмет: Математика, автор: Abduiovt

Привет,смогла решить первое уравнение,второе с ответом не сходиться,помогите. Спасибо(.32-x)*6-39=45                                                                                                    32-x*6=45+39                                                                                                                      32-x*6=84                                                                                                                           32-x= 84/6                                                                                                                           32-x=14                                                                                                                               x=32-14                                                                                                                              x=18                                                                                                                                   (32-18)*6-39=45- это первое.   А вот второе-  (275+80/Y)/4=70 помогите решить

Ответы

Автор ответа: karina170917
0
((275y+80)/y)/4=70
(275y+80)/4y=70
280y=275y+80
280y-275y=80
5y=80
y=16
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