\[\frac{2x + 4}{x - 7} > 0\]
\[2x + 4 = 0\]
\[x = - 2.\]
\[x - 7 = 0\]
\[x = 7.\]
\[Ответ:x \in ( - \infty; - 2) \cup (7; + \infty).\]