0 \\ 7x + 4 > 0" alt="2x - 3x > 0 \\ 7x + 4 > 0" align="absmiddle" class="latex-formula">
- 4" alt="x < 0 \\ 7x > - 4" align="absmiddle" class="latex-formula">
- \frac{4}{7} " alt=" x < 0\\ x > - \frac{4}{7} " align="absmiddle" class="latex-formula">
Ответ: (-4/7;0)