| 2 − 3 x | ≤ 4 − 4 ≤ | 2 − 3 x | ≤ 4 − 4 ≤ 2 − 3 x − 6 ≤ − 3 x x ≤ 2 2 − 3 x ≤ 4 / − 2 3 x ≤ 2 x ≥ − 2 3 − 2 3 ≤ x ≤ 2 {\displaystyle {\begin{aligned}&|2-3x|\leq 4\\&-4\leq |2-3x|\leq 4\\&\color {blue}-4\leq 2-3x\\&\color {blue}-6\leq -3x\\&\color {blue}x\leq 2\\&\color {red}2-3x\leq 4/-2\\&\color {red}3x\leq 2\\&\color {red}x\geq {\frac {-2}{3}}\\&\color {Violet}-{\frac {2}{3}}\leq x\leq 2\\\end{aligned}}}
