- 9" alt=" - 7 (4 + x) + 9x > - 9" align="absmiddle" class="latex-formula">
раскроем скобки :
- 9" alt=" - 28 - 7x + 9x > - 9" align="absmiddle" class="latex-formula">
28 - 9" alt="2x > 28 - 9" align="absmiddle" class="latex-formula">
19" alt="2x > 19" align="absmiddle" class="latex-formula">
\frac{19}{2} " alt="x > \frac{19}{2} " align="absmiddle" class="latex-formula">
9.5" alt="x > 9.5" align="absmiddle" class="latex-formula">
ответ: от ( 9,5 до + бесконечности).