Уравнение 3/4 - х = 5/16
3/4 - Х = 5/16 Х = 3/4 - 5/16 Х = 12/16 - 5/16 Х = 7/16
3/4-x=5/16
x=3/4-5/16
x=12/16-5/16
x=7/16
Ответ: 7/16