| ( | X | − | 8 100 | ) | ÷ | 1 100 | = | ( | 5 | − | 4661 1000 | ) | ÷ | ( | 14011 2500 | − | 4661 1000 | ) |
| 方程两边同时乘以: | ( | 14011 2500 | − | 4661 1000 | ) |
| ( | X | − | 8 100 | ) | ÷ | 1 100 | × | ( | 14011 2500 | − | 4661 1000 | ) | = | ( | 5 | − | 4661 1000 | ) |
| X | ÷ | 1 100 | × | ( | 14011 2500 | − | 4661 1000 | ) | − | 8 100 | ÷ | 1 100 | × | ( | 14011 2500 | − | 4661 1000 | ) | = | ( | 5 | − | 4661 1000 | ) |
| X | ÷ | 1 100 | × | ( | 14011 2500 | − | 4661 1000 | ) | − | 8 100 | ÷ | 1 100 | × | ( | 14011 2500 | − | 4661 1000 | ) | = | 5 | − | 4661 1000 |
| X | × | 100 | ( | 14011 2500 | − | 4661 1000 | ) | − | 8 | ( | 14011 2500 | − | 4661 1000 | ) | = | 5 | − | 4661 1000 |
| X | × | 100 | ( | 14011 2500 | − | 4661 1000 | ) | − | 8 | ( | 14011 2500 | − | 4661 1000 | ) | = | 339 1000 |
| X | × | 100 | × | 14011 2500 | − | X | × | 100 | × | 4661 1000 | − | 8 | ( | 14011 2500 | − | 4661 1000 | ) | = | 339 1000 |
| X | × | 14011 25 | − | X | × | 4661 10 | − | 8 | ( | 14011 2500 | − | 4661 1000 | ) | = | 339 1000 |
4717 50 | X | − | 8 | ( | 14011 2500 | − | 4661 1000 | ) | = | 339 1000 |
4717 50 | X | − | 8 | × | 14011 2500 | + | 8 | × | 4661 1000 | = | 339 1000 |
4717 50 | X | − | 28022 625 | + | 4661 125 | = | 339 1000 |
4717 50 | X | − | 4717 625 | = | 339 1000 |
4717 50 | X | = | 339 1000 | + | 4717 625 |
4717 50 | X | = | 39431 5000 |
| X | = | 39431 5000 | ÷ | 4717 50 |
| = | 39431 5000 | × | 50 4717 |
| = | 39431 100 | × | 1 4717 |
| X | = | 39431 471700 |
| X | = | 0.083593 |