Question

Solve the compound inequality

Answer 1

In the middle part, you have x + 4.
You want x alone, so subtract 4 from each of the 3 parts.


`-3 \le x + 4 \le 13`


`-3 - 4 \le x + 4 - 4 \le 13 - 4`


`-7 \le x \le 9`


`x \ge -7` and
`x \le 9`