Задание 1.
Ответ: (-∞;1]
Задание 2.
-(4+2x)" alt="31+5x>-(4+2x)" align="absmiddle" class="latex-formula">
-4-2x" alt="31+5x>-4-2x" align="absmiddle" class="latex-formula">
-4-31" alt="2x+5x>-4-31" align="absmiddle" class="latex-formula">
-35" alt="7x>-35" align="absmiddle" class="latex-formula">
-5" alt="x>-5" align="absmiddle" class="latex-formula">
Ответ: (-7;+ ∞)