\[16a + 2y\ \ \ \]
\[при\ \ a = \frac{1}{8};\ \ y = - \frac{1}{6}:\]
\[16 \cdot \frac{1}{8} + 2 \cdot \left( - \frac{1}{6} \right) = \frac{16}{8} - \frac{2}{6} = 2 - \frac{1}{3} =\]
\[= \frac{6}{3} - \frac{1}{3} = \frac{5}{3} = 1\frac{2}{3}.\]