| x | = | 16930 | + | ( | x | ÷ | 53 50 | × | 3 500 | + | x | ÷ | 53 50 | × | 3 50 | × | 1 10 | ) |
| 方程右边 = | 16930 | + | x | ÷ | 53 50 | × | 3 500 | + | x | ÷ | 53 50 | × | 3 50 | × | 1 10 |
| = | 16930 | + | x | × | 3 530 | + | x | × | 3 530 |
| = | 16930 | + | 3 265 | x |
| x | = | 16930 | + | 3 265 | x |
| x | − | 3 265 | x | = | 16930 |
262 265 | x | = | 16930 |
| x | = | 16930 | ÷ | 262 265 |
| = | 16930 | × | 265 262 |
| = | 8465 | × | 265 131 |
| x | = | 2243225 131 |
| x | = | 17123.854962 |