Решите уравнение: 25*х+9*х=1394; 30*у-2*у=532; 9*а-а+14=94; m+6*m=72.

34х=1394        28у=532

х=41                  у=19                       8а=80

                                                         а=10           

х=1394/34=41

у=532/28=19

8а=94-14=80; а=80/8=10

7м=72; м=72/7