| x | = | 3 20 | x | + | 20460 | + | ( | x | ÷ | 53 50 | × | 3 50 | + | x | ÷ | 53 50 | × | 3 50 | × | 1 10 | ) |
| 方程右边 = | 3 20 | x | + | 20460 | + | x | ÷ | 53 50 | × | 3 50 | + | x | ÷ | 53 50 | × | 3 50 | × | 1 10 |
| = | 3 20 | x | + | 20460 | + | x | × | 3 53 | + | x | × | 3 530 |
| = | 2385 11236 | x | + | 20460 |
| x | = | 2385 11236 | x | + | 20460 |
| x | − | 2385 11236 | x | = | 20460 |
167 212 | x | = | 20460 |
| x | = | 20460 | ÷ | 167 212 |
| = | 20460 | × | 212 167 |
| x | = | 4337520 167 |
| x | = | 25973.173653 |