For which equations is x = 9 a possible solution? Check all that apply.

Question

1. |x| = 9
2. –|x| = 9
3. –|–x| = 9
4. –|–x| = –9
5. |x| = –9
6. |–x| = 9
7. |–x| = –9

Answer 1

1. |x| = 9
2. –|x| = 9
5. |x| = –9
6. |–x| = 9