Question

15–(3х–3)=5–4х
2(х–0.5)+1=9
| Х|=25

Answer 1

1) 15 - 3х + 3 = 5 - 4х
18 - 3х = 5 - 4х
- 3х + 4х = 5 - 18
- х = - 13
 х = 13

2) 2х - 1 + 1 = 9
2х = 9
х = 9 / 2
х = 4,5
 3)  / х / = 25
х = - 25; х = 25