Question

How do I solve this inequality?

Answer 1

x ≥ -4 or x ≥
`(1)/(2)`

Explanation:

9 ≤ | 4x + 7 |

4x + 7 ≥ 9

4x ≥ 2

x ≥
`(1)/(2)`

4x + 7 ≥ -9

4x ≥ -16

x ≥ -4