X = (264 - 75) / 9X = 189 / 9X = 21
X / 7 = 300 - 202X = 7 (300 - 202)X = 7 98X = 686
Проверка:686 / 7 = 9898 = 98
Ответ: X = 21 и X = 686
X = (264 - 75) / 9
X = 189 / 9
X = 21
X / 7 = 300 - 202
X = 7 (300 - 202)
X = 7 98
X = 686
Проверка:
686 / 7 = 98
98 = 98
Ответ: X = 21 и X = 686