Question

Inequações 2.(x+4) ≤3 (x+5)-6

Answer 1

$2.(x+4) \leq 3. (x+5)-6\to \\\\ 2x+8 \leq 3x+15-6\to \\\\ 2x-3x \leq 15-6-8\to \\\\ -x \leq 1~~(-1)\to \\\\ x \geq -1\\\\\\\\ \boxed{S=\{xER|x \geq -1\}}$