Ответ:Решение:\( x + 18 = 78 \)\( x = 78 - 18 \)\( x = 60 \)\( 49 - x = 16 \)\( x = 49 - 16 \)\( x = 33 \)\( x - 25 = 19 \)\( x = 19 + 25 \)\( x = 44 \)Ответ: 60, 33, 44.