31 * 550 = 1705017050 - x = 17050x
17050 * 120 = 2046000
2046000 - 120x = 10200
-120x = -2035800
x = 16965
Ответ: x = 16965
31 * 550 = 17050
17050 - x = 17050x
17050 * 120 = 2046000
2046000 - 120x = 10200
-120x = -2035800
x = 16965
Ответ: x = 16965