1609 20 | − | x | = | 51 5 | ÷ | 100 | × | ( | x | − | 5173 100 | ) |
| 方程右边 = | 51 500 | ( | x | − | 5173 100 | ) |
1609 20 | − | x | = | 51 500 | ( | x | − | 5173 100 | ) |
| 方程右边 = | 51 500 | x | − | 51 500 | × | 5173 100 |
| = | 51 500 | x | − | 263823 50000 |
1609 20 | − | x | = | 51 500 | x | − | 263823 50000 |
| - | x | − | 51 500 | x | = | - | 263823 50000 | − | 1609 20 |
| - | 551 500 | x | = | - | 263823 50000 | − | 1609 20 |
| - | 551 500 | x | = | - | 4286323 50000 |
4286323 50000 | = | 551 500 | x |
551 500 | x | = | 4286323 50000 |
| x | = | 4286323 50000 | ÷ | 551 500 |
| = | 4286323 50000 | × | 500 551 |
| = | 4286323 100 | × | 1 551 |
| x | = | 4286323 55100 |
| x | = | 77.791706 |