1)
- 3 \\ 1 + 2x < 4 \\ x > - 4 \\ x < 1.5" alt="1 + 2x > - 3 \\ 1 + 2x < 4 \\ x > - 4 \\ x < 1.5" align="absmiddle" class="latex-formula">
2)
3)
- 7 \\ 2x - 5 \ \leqslant \ 1 \\ x > - 1 \\ x \leqslant 3" alt="2x - 5 > - 7 \\ 2x - 5 \ \leqslant \ 1 \\ x > - 1 \\ x \leqslant 3" align="absmiddle" class="latex-formula">