00:00:00
5
- x + 2 = 7
12
- 3a - 10 = 26
-5
- 4x + 8 = x - 7
1
- 2x + 8 = 10
-9
- 10y = 3y - 63
6
- 20z + 5 = 125
4
- 7c - 10 = 8c - 14
0
- 2x - 10 = 3x - 10
18
- 40 = 2a + 4