X + Y = 84 X \ Y = 6 ---> X = 6Y ............................. 7Y = 84 ---> Y = 84 : 7 = 12 X = 6Y = 6 * 12 = 72 Ответ: 12 и 72 Проверка: 12 + 72 = 84 ; 72 : 12 = 6