3 10 | = | ( | X | − | 2411 2500 | ) | ÷ | 89 2500 |
| 方程右边 = | X | × | 2500 89 | − | 2411 2500 | × | 2500 89 |
| = | X | × | 2500 89 | − | 2411 89 |
3 10 | = | 2500 89 | X | − | 2411 89 |
| - | 2500 89 | X | = | - | 2411 89 | − | 3 10 |
| - | 2500 89 | X | = | - | 24377 890 |
24377 890 | = | 2500 89 | X |
2500 89 | X | = | 24377 890 |
| X | = | 24377 890 | ÷ | 2500 89 |
| = | 24377 890 | × | 89 2500 |
| = | 24377 10 | × | 1 2500 |
| X | = | 24377 25000 |
| X | = | 0.97508 |