\[a = - 2 \Longrightarrow нет\ решения.\]
\[a \neq - 2 \Longrightarrow x = \frac{3a + 10}{a + 2}.\]
\[\frac{3a + 10}{a + 2} \bullet (a - 1) + 5 = 0\]
\[(3a + 10)(a - 1) + 5 \bullet (a + 2) =\]
\[= 0\]
\[3a^{2} - 3a + 10a - 10 + 5a + 10 = 0\]
\[3a^{2} + 12a = 0\]
\[3a(a + 4) = 0\]
\[a = 0\ \ \ \ \ \ \ \ \ \ \ \ a + 4 = 0\]
\[\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ a = - 4\]
\[Ответ:при\ a = 0;\ a = - 4.\]