0" alt="2x + 4 > 0" align="absmiddle" class="latex-formula">
- 4" alt="2x > - 4" align="absmiddle" class="latex-formula">
\frac{4}{2} " alt="x > \frac{4}{2} " align="absmiddle" class="latex-formula">
2" alt="x > 2" align="absmiddle" class="latex-formula">
ответ : х принадлежит (2;+оо).