2x+3 less than or equal to 5
\(2x+3 \leq 5 \\ \\ (2x+3)-3 \leq (5)-3 \\ \\ 2x \leq 2 \\ \\ \frac{2x}{2} \leq \frac{2}{2} \\ \\ x \leq 1 \\ \\x=( -\infty} ,1]\)
2x + 3 ≤ 5 -3 -3 2x ≤ 2 2x ≤ 2 2 2 x = 1