| ( | 154 | + | x | ) | × | 24 5 | = | 5 | x | + | 154 | × | 23 5 |
| 方程左边 = | 154 | × | 24 5 | + | x | × | 24 5 |
| = | 3696 5 | + | x | × | 24 5 |
3696 5 | + | 24 5 | x | = | 5 | x | + | 154 | × | 23 5 |
| 方程右边 = | 5 | x | + | 3542 5 |
3696 5 | + | 24 5 | x | = | 5 | x | + | 3542 5 |
24 5 | x | − | 5 | x | = | 3542 5 | − | 3696 5 |
| - | 1 5 | x | = | 3542 5 | − | 3696 5 |
| - | 1 5 | x | = | - | 154 5 |
154 5 | = | 1 5 | x |
1 5 | x | = | 154 5 |
| x | = | 154 5 | ÷ | 1 5 |
| = | 154 5 | × | 5 |
| = | 154 | × | 1 |
| x | = | 154 |