| - | x | + | 10 | = | 0 |
| - | x | = | 0 | − | 10 |
| - | x | = | - | 10 |
| 10 | = | x |
| x | = | 10 |
| - | 2 | x | + | 4 | = | 0 |
| - | 2 | x | = | 0 | − | 4 |
| - | 2 | x | = | - | 4 |
| 4 | = | 2 | x |
| 2 | x | = | 4 |
| x | = | 4 | ÷ | 2 |
| = | 4 | × | 1 2 |
| = | 2 | × | 1 |
| x | = | 2 |
| - | 1 | ÷ | 3 | × | x | + | 8 | = | 0 |
| 方程左边 = | - | 1 3 | x | + | 8 |
| - | 1 3 | x | + | 8 | = | 0 |
| - | 1 3 | x | = | 0 | − | 8 |
| - | 1 3 | x | = | - | 8 |
| 8 | = | 1 3 | x |
1 3 | x | = | 8 |
| x | = | 8 | ÷ | 1 3 |
| = | 8 | × | 3 |
| x | = | 24 |
| - | 2 | x | + | 16 | = | 0 |
| - | 2 | x | = | 0 | − | 16 |
| - | 2 | x | = | - | 16 |
| 16 | = | 2 | x |
| 2 | x | = | 16 |
| x | = | 16 | ÷ | 2 |
| = | 16 | × | 1 2 |
| = | 8 | × | 1 |
| x | = | 8 |
| - | 2 | ÷ | 3 | × | x | = | 0 |
| 方程左边 = | - | 2 3 | x |
| - | 2 3 | x | = | 0 |
| - | 0 | = | 2 3 | x |
2 3 | x | = | - | 0 |
| x | = | - | 0 | ÷ | 2 3 |
| = | - | 0 | × | 3 2 |
| x | = | 0 |