\[\frac{4}{y - 2} - \frac{2}{y} = \frac{3 - y}{y² - 2y}\ \]
\[ОДЗ:\ \ y \neq 0\]
\[y - 2 \neq 0;\ \ y \neq 2\]
\[\frac{4y - 2 \cdot (y - 2)}{y² - 2y} = \frac{3 - y}{y² - 2y}\]
\[4y - 2y + 4 = 3 - y\]
\[3y = - 1\]
\[y = - \frac{1}{3}\]
\[Ответ:y = - \frac{1}{3}.\]