\frac{2\sqrt6+5}{2\sqrt6-5}\\
" alt="(2\sqrt6-5)x- 2\sqrt6-5<0\\
(2\sqrt6-5)x<2\sqrt6+5\\
x>\frac{2\sqrt6+5}{2\sqrt6-5}\\
" align="absmiddle" class="latex-formula">
7-4x\\
ax+4x>7\\
x(a+4)>7\\
x>\frac{7}{a+4} \hbox{ pri } a>-4\\x<\frac{7}{a+4} \hbox{ pri } a<-4\\
\hbox{pri } a=-4 \hbox{ ne imeyet resheniya}" alt=" ax>7-4x\\
ax+4x>7\\
x(a+4)>7\\
x>\frac{7}{a+4} \hbox{ pri } a>-4\\x<\frac{7}{a+4} \hbox{ pri } a<-4\\
\hbox{pri } a=-4 \hbox{ ne imeyet resheniya}" align="absmiddle" class="latex-formula">