10c - 4 = 8c +18 25a + 22 = 14a + 198
10c - 8c = 18 + 4 25a - 14a = 198 - 22
2c = 22 11a = 176
c = 11 a = 16
Проверка: Проверка:
(10 * 11) - 4 = (8 * 11) + 18 (25 * 16) + 22 = (14 * 16) +198
110 - 4 = 88 +18 400 + 22 = 224 + 198
106 = 106 422 = 422
Ответ: 11 Ответ: 16