Question

preciso de ajuda
$4(x + 1) \leqslant (x + 3)$

Answer 1

$4(x+1) \leq (x+3) \\ 4x+4 \leq x+3 \\ 4x-x \leq 3-4 \\ 3x \leq -1 \\ \\ x \leq - \frac{1}{3} \\ \\ S=\{x\in R /x \leq - \frac{1}{3} \}$