| 10 | = | ( | 130897 100 | + | X | + | ( | ( | 130897 100 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | ) | ( | - | 990 | ) | + | 123499 50 | ) | ÷ | ( | 602 | + | 1 | − | 990 | + | 360 | ) |
| 方程两边同时乘以: | ( | 602 | + | 1 | − | 990 | + | 360 | ) |
| 10 | ( | 602 | + | 1 | − | 990 | + | 360 | ) | = | ( | 130897 100 | + | X | + | ( | ( | 130897 100 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | ) | ( | - | 990 | ) | + | 123499 50 | ) |
| 10 | × | 602 | + | 10 | × | 1 | − | 10 | × | 990 | + | 10 | × | 360 | = | ( | 130897 100 | + | X | + | ( | ( | 130897 100 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | ) | ( | - | 990 | ) | + | 123499 50 | ) |
| 10 | × | 602 | + | 10 | × | 1 | − | 10 | × | 990 | + | 10 | × | 360 | = | 130897 100 | + | X | + | ( | ( | 130897 100 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | ) | ( | - | 990 | ) | + | 123499 50 |
| 6020 | + | 10 | − | 9900 | + | 3600 | = | 130897 100 | + | X | + | ( | ( | 130897 100 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | ) | ( | - | 990 | ) | + | 123499 50 |
| - | 270 | = | 75579 20 | + | X | + | ( | ( | 130897 100 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | ) | ( | - | 990 | ) |
| - | 270 | = | 75579 20 | + | X | + | ( | 130897 100 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 990 | ) |
| 方程两边同时乘以: | ( | 602 | + | 1 | ) |
| - | 270 | ( | 602 | + | 1 | ) | = | 75579 20 | ( | 602 | + | 1 | ) | + | X | ( | 602 | + | 1 | ) | + | ( | 130897 100 | + | X | ) | ( | - | 990 | ) |
| - | 270 | × | 602 | − | 270 | × | 1 | = | 75579 20 | ( | 602 | + | 1 | ) | + | X | ( | 602 | + | 1 | ) | + | ( | 130897 100 | + | X | ) | ( | - | 990 | ) |
| - | 270 | × | 602 | − | 270 | × | 1 | = | 75579 20 | × | 602 | + | 75579 20 | × | 1 | + | X | ( | 602 | + | 1 | ) | + | ( | 130897 100 | + | X | ) | ( | - | 990 | ) |
| - | 162540 | − | 270 | = | 22749279 10 | + | 75579 20 | + | X | ( | 602 | + | 1 | ) | + | ( | 130897 100 | + | X | ) | ( | - | 990 | ) |
| - | 162810 | = | 45574137 20 | + | X | ( | 602 | + | 1 | ) | + | ( | 130897 100 | + | X | ) | ( | - | 990 | ) |
| - | 162810 | = | 45574137 20 | + | X | × | 602 | + | X | × | 1 | + | ( | 130897 100 | + | X | ) | ( | - | 990 | ) |
| - | 162810 | = | 45574137 20 | + | 603 | X | + | ( | 130897 100 | + | X | ) | ( | - | 990 | ) |
| - | 162810 | = | 45574137 20 | + | 603 | X | + | 130897 100 | ( | - | 990 | ) | + | X | ( | - | 990 | ) |
| - | 162810 | = | 45574137 20 | + | 603 | X | − | 130897 100 | × | 990 | + | X | ( | - | 990 | ) |
| - | 162810 | = | 45574137 20 | + | 603 | X | − | 12958803 10 | + | X | ( | - | 990 | ) |
| - | 162810 | = | 19656531 20 | + | 603 | X | + | X | ( | - | 990 | ) |
| - | 162810 | = | 19656531 20 | + | 603 | X | − | X | × | 990 |
| - | 162810 | = | 19656531 20 | − | 387 | X |
| 387 | X | = | 19656531 20 | + | 162810 |
| 387 | X | = | 22912731 20 |
| X | = | 22912731 20 | ÷ | 387 |
| = | 22912731 20 | × | 1 387 |
| = | 2545859 20 | × | 1 43 |
| X | = | 2545859 860 |
| X | = | 2960.301163 |