| X | − | X | × | 13 200 | − | ( | X | + | 1127894 | ) | × | 3 10000 | = | 1127894 |
| 方程左边 = | 187 200 | X | − | ( | X | + | 1127894 | ) | × | 3 10000 |
187 200 | X | − | ( | X | + | 1127894 | ) | × | 3 10000 | = | 1127894 |
| 方程左边 = | 187 200 | X | − | X | × | 3 10000 | − | 1127894 | × | 3 10000 |
| = | 187 200 | X | − | X | × | 3 10000 | − | 1691841 5000 |
| = | 9347 10000 | X | − | 1691841 5000 |
9347 10000 | X | − | 1691841 5000 | = | 1127894 |
9347 10000 | X | = | 1127894 | + | 1691841 5000 |
9347 10000 | X | = | 5641161841 5000 |
| X | = | 5641161841 5000 | ÷ | 9347 10000 |
| = | 5641161841 5000 | × | 10000 9347 |
| = | 5641161841 | × | 2 9347 |
| X | = | 11282323682 9347 |