| 71 | x | ÷ | 29 | ÷ | 2700 | + | x | ÷ | 2650 | + | 1 100 | = | 1 | − | 170 | ÷ | 1000 | − | 327 | ÷ | 3100 |
| 方程左边 = | 71 78300 | x | + | x | × | 1 2650 | + | 1 100 |
| = | 5329 4149900 | x | + | 1 100 |
5329 4149900 | x | + | 1 100 | = | 1 | − | 170 | ÷ | 1000 | − | 327 | ÷ | 3100 |
| 方程右边 = | 1 | − | 17 100 | − | 327 3100 |
| = | 1123 1550 |
5329 4149900 | x | + | 1 100 | = | 1123 1550 |
5329 4149900 | x | = | 1123 1550 | − | 1 100 |
5329 4149900 | x | = | 443 620 |
| x | = | 443 620 | ÷ | 5329 4149900 |
| = | 443 620 | × | 4149900 5329 |
| = | 443 31 | × | 207495 5329 |
| x | = | 91920285 165199 |
| x | = | 556.421558 |