2 - 8 = x + 2x
2x + 4 + 5x = 18
9 = 12x - 6 -7x
2x - 5 + 3x + 1 = 3x- 2
2 (3x - 1) - 5x = 5 - (3x + 11)
8 - x + 1 = 4x - 1 -7x
11x + 17 - 6x = 2
2
3
- 5
- 2
1
- 1
- 3
