157 50 | ( | 550 | × | 550 | − | 481 10 | × | 481 10 | ) | = | x | × | 11 100 |
| 方程左边 = | 157 50 | × | 550 | × | 550 | − | 157 50 | × | 481 10 | × | 481 10 |
| = | 949850 | − | 36323677 5000 |
| = | 4712926323 5000 |
4712926323 5000 | = | x | × | 11 100 |
| - | 11 100 | x | = | - | 4712926323 5000 |
4712926323 5000 | = | 11 100 | x |
11 100 | x | = | 4712926323 5000 |
| x | = | 4712926323 5000 | ÷ | 11 100 |
| = | 4712926323 5000 | × | 100 11 |
| = | 4712926323 50 | × | 1 11 |
| x | = | 4712926323 550 |
| x | = | 8568956.950909 |