6x-5\\ \frac{x}{2}\geq -1\end{matrix}\right.\Leftrightarrow \left\{\begin{matrix}4x<14\\ x\geq -2\end{matrix}\right.\Rightarrow x\in \left [ -2;\frac{7}{2} \right )\\-2-1+0+1+2+3=3" alt="\left\{\begin{matrix}2x+9>6x-5\\ \frac{x}{2}\geq -1\end{matrix}\right.\Leftrightarrow \left\{\begin{matrix}4x<14\\ x\geq -2\end{matrix}\right.\Rightarrow x\in \left [ -2;\frac{7}{2} \right )\\-2-1+0+1+2+3=3" align="absmiddle" class="latex-formula">