DashaRevtova 87-h = 103 - 69
87-h = 34
h = 87-34
h = 53
Проверка:
69+(87-53) = 103
            103 = 103

dgdgdgdfrh 87-h=103-69
87-h=34
h=87-34
h=53
69+(87-53)=103