2x-1-2-

Question Number 27977 by NECx last updated on 18/Jan/18

∣ 2 x + 1 ∣⩽ 2

Answered by Rasheed.Sindhi last updated on 18/Jan/18

∣ 2 x + 1 ∣⩽ 2

\pm (2 x + 1) ⩽ 2

2 x + 1 ⩽ 2 \land - 2 x - 1 ⩽ 2

x ⩽ \frac{1}{2} \land x ⩾ - \frac{3}{2}

- \frac{3}{2} ⩽ x ⩽ \frac{1}{2}