$$b = 30, c = 14$$
$$b + c = 30 + 14 = 44$$
$$b - c = 30 - 14 = 16$$
$$b = 27, c = 19$$
$$b + c = 27 + 19 = 46$$
$$b - c = 27 - 19 = 8$$
Ответ: 44 и 16; 46 и 8.