| ( | X | − | 5000 | − | 3224 | ) | × | 1 10 | − | 2520 | = | 119154 5 | − | X |
| 方程左边 = | X | × | 1 10 | − | 5000 | × | 1 10 | − | 3224 | × | 1 10 | − | 2520 |
| = | X | × | 1 10 | − | 500 | − | 1612 5 | − | 2520 |
| = | 1 10 | X | − | 16712 5 |
1 10 | X | − | 16712 5 | = | 119154 5 | − | X |
1 10 | X | + | X | = | 119154 5 | + | 16712 5 |
11 10 | X | = | 119154 5 | + | 16712 5 |
11 10 | X | = | 135866 5 |
| X | = | 135866 5 | ÷ | 11 10 |
| = | 135866 5 | × | 10 11 |
| = | 135866 | × | 2 11 |
| X | = | 271732 11 |
| X | = | 24702.909091 |