1) (x/9)15-47=28(x/9)*15 = 75x = 75 + 47x = 122
2) (410-y)/7+70=120(410-y)/7 = 50410-y = 350y = 60
Ответ: x = 122, y = 60
1) (x/9)15-47=28
(x/9)*15 = 75
x = 75 + 47
x = 122
2) (410-y)/7+70=120
(410-y)/7 = 50
410-y = 350
y = 60
Ответ: x = 122, y = 60