уравнение 17*(3х-16)=85

спс

51x-272=85

51x=85+272

51x=357

x=7

17 * (3х - 16) = 853х - 16 = 85 : 173х - 16 = 53х = 5 + 163х = 21х = 21 : 3х = 7________________17 * (3*7 - 16) = 8517 * (21 - 16) = 8517 * 5 = 8585 = 85Ответ: х = 7Darknight (Sunny Storm)