| x | = 3
| x + 2 | = 7
| 2x – 3 | – 4 = 3
| x2– 4x – 5 | = 7
| x – 3 | = | 3x + 2 | – 1
Last one:
.
x=3 or x=-3
second one is similar
third one : add 4 to both sides and then it is similar too
forth one similar.
5th one is different. mmm I'll think about it
Thanks Alan :)
