\[y = \frac{2x - 16}{x - 2} =\]
\[= \frac{2x - 4 + 4 - 16}{x - 2} =\]
\[= \frac{2 \cdot (x - 2)}{x - 2} - \frac{12}{x - 2} =\]
\[= 2 - \frac{12}{x - 2}\]