3 100 | x | + | ( | 75207167 10 | − | x | ) | × | 1 10 | = | 23680489 100 |
| 方程左边 = | 3 100 | x | + | 75207167 10 | × | 1 10 | − | x | × | 1 10 |
| = | 3 100 | x | + | 75207167 100 | − | x | × | 1 10 |
| = | - | 7 100 | x | + | 75207167 100 |
| - | 7 100 | x | + | 75207167 100 | = | 23680489 100 |
| - | 7 100 | x | = | 23680489 100 | − | 75207167 100 |
| - | 7 100 | x | = | - | 25763339 50 |
25763339 50 | = | 7 100 | x |
7 100 | x | = | 25763339 50 |
| x | = | 25763339 50 | ÷ | 7 100 |
| = | 25763339 50 | × | 100 7 |
| = | 3680477 | × | 2 |
| x | = | 7360954 |