Question

Solve the following absolute vale inequality

Answer 1

`( |2x + 1| )/(3) \geqslant 5`

`|2x + 1| \geqslant 15`

2x + 1 ≤ -15 or 2x + 1 ≥ 15

2x ≤ -16 or 2x ≥ 14

x ≤ -8 or x ≥ 7