x + 1 = 101
5x - 2 = 8
2x - 10 = 30
(x : 8 ) + 3 = 6
5x = 0
5x = - 45
4x + 6 = 30
5x - 3 = 2
2x + 4 = x +9
7x - 40 = 9
2
- 9
5
20
6
0
100
24
1
7