ГДЗ по алгебре 8 класс Макарычев ФГОС Задание 1067

\[\boxed{\text{1067.\ }\text{еуроки}\text{-}\text{ответы}\text{\ }\text{на}\text{\ }\text{пятёрку}}\]

\[\textbf{а)}\ f(x) = 17:\]

\[- 5x + 6 = 17\]

\[- 5x = 11\]

\[x = - \frac{11}{5} = - 2,2.\]

\[\textbf{б)}\ f(x) = - 3:\]

\[- 5x + 6 = - 3\]

\[- 5x = - 9\]

\[x = \frac{9}{5} = 1,8.\]

\[\textbf{в)}\ f(x) = 0:\]

\[- 5x + 6 = 0\]

\[- 5x = - 6\]

\[x = \frac{6}{5} = 1,2.\]