| ( | 1710000 | ÷ | 109 100 | × | 9 100 | − | x | ÷ | 109 100 | × | 9 100 | ) | × | 28 25 | + | x | = | 1710000 |
| 方程左边 = | 1710000 | ÷ | 109 100 | × | 9 100 | × | 28 25 | − | x | ÷ | 109 100 | × | 9 100 | × | 28 25 | + | x |
| = | 17236800 109 | − | x | × | 252 2725 | + | x |
| = | 17236800 109 | + | 2473 2725 | x |
17236800 109 | + | 2473 2725 | x | = | 1710000 |
2473 2725 | x | = | 1710000 | − | 17236800 109 |
2473 2725 | x | = | 169153200 109 |
| x | = | 169153200 109 | ÷ | 2473 2725 |
| = | 169153200 109 | × | 2725 2473 |
| x | = | 460942470000 269557 |