a - b = 330 a : b = 8 rest 50 a = 8b + 50 inlocuim pe a in prima relatie 8b + 50 - b = 330 7b = 330 - 50 b = 280 : 7 b = 40 a = 8 * 40 + 50 a = 370 si b - a = 330 b : a = 8 rest 50 b = 8a + 50 8a + 50 - a = 330 7a = 330 - 50 a = 280 : 7 a = 40 b = 8 * 40 + 50 b = 370