| x | = | 289 625 | ÷ | ( | 241 100 | − | 141 100 | × | 289 625 | ) |
| 方程两边同时乘以: | ( | 241 100 | − | 141 100 | × | 289 625 | ) |
| x | ( | 241 100 | − | 141 100 | × | 289 625 | ) | = | 289 625 |
| x | × | 241 100 | − | x | × | 141 100 | × | 289 625 | = | 289 625 |
| x | × | 241 100 | − | x | × | 40749 62500 | = | 289 625 |
27469 15625 | x | = | 289 625 |
| x | = | 289 625 | ÷ | 27469 15625 |
| = | 289 625 | × | 15625 27469 |
| = | 289 | × | 25 27469 |
| x | = | 7225 27469 |
| x | = | 0.263024 |