Ответ:
№1 (а)
x - 1\\3x > -4\\x > -\frac{4}{3}" alt="3 + 4x > x - 1\\3x > -4\\x > -\frac{4}{3}" align="absmiddle" class="latex-formula">
Ответ:
-\frac{4}{3}" alt="x > -\frac{4}{3}" align="absmiddle" class="latex-formula">
№1 (б)

Ответ: 
№2 (а)

-4} \atop {x\leq -2.5}} \right." alt="\left \{ {{x>-4} \atop {x\leq -2.5}} \right." align="absmiddle" class="latex-formula">
Ответ: 
№2(б)

36\\" alt="16x - 20 < 21x - 56\\5x > 36\\" align="absmiddle" class="latex-formula">
\frac{36}{5}" alt="x > \frac{36}{5}" align="absmiddle" class="latex-formula">
17\\x>\frac{17}{68}" alt="12-2x-10<70x-15\\68x>17\\x>\frac{17}{68}" align="absmiddle" class="latex-formula">
Ответ:
\frac{36}{5}" alt="x > \frac{36}{5}" align="absmiddle" class="latex-formula">