| 10 | x | = | 13 10 | ( | 57 100 | − | 297 1000 | × | 43 50 | ) | ( | 100 | − | 10 | x | ) | − | 111 100 | × | 637 1000 |
| 方程右边 = | 13 10 | ( | 57 100 | − | 297 1000 | × | 43 50 | ) | ( | 100 | − | 10 | x | ) | − | 70707 100000 |
| 10 | x | = | 13 10 | ( | 57 100 | − | 297 1000 | × | 43 50 | ) | ( | 100 | − | 10 | x | ) | − | 70707 100000 |
| 方程右边 = | 13 10 | × | 57 100 | ( | 100 | − | 10 | x | ) | − | 13 10 | × | 297 1000 | × | 43 50 | ( | 100 | − | 10 | x | ) | − | 70707 100000 |
| = | 741 1000 | ( | 100 | − | 10 | x | ) | − | 166023 500000 | ( | 100 | − | 10 | x | ) | − | 70707 100000 |
| = | 741 1000 | × | 100 | − | 741 1000 | × | 10 | x | − | 166023 500000 | ( | 100 | − | 10 | x | ) | − | 70707 100000 |
| = | 741 10 | − | 741 100 | x | − | 166023 500000 | ( | 100 | − | 10 | x | ) | − | 70707 100000 |
| = | 7339293 100000 | − | 741 100 | x | − | 166023 500000 | ( | 100 | − | 10 | x | ) |
| = | 7339293 100000 | − | 741 100 | x | − | 166023 500000 | × | 100 | + | 166023 500000 | × | 10 | x |
| = | 7339293 100000 | − | 741 100 | x | − | 166023 5000 | + | 166023 50000 | x |