(х + 3/16) - 1/5 = 11/20

х + 3/16 - 1/5 = 11/20

х + 3/16 - 3/16 = 11/20 + 3/16

х = 11/20 + 3/16

х = 44/80 + 30/80

х = 74/80

Упрощаем дробь:

х = 37/40

Ответ: х = 37/40.