| 6000 | ( | 1 | + | x | ) | × | 29 | = | 35000 |
| 方程左边 = | 174000 | ( | 1 | + | x | ) |
| 174000 | ( | 1 | + | x | ) | = | 35000 |
| 方程左边 = | 174000 | × | 1 | + | 174000 | x |
| = | 174000 | + | 174000 | x |
| 174000 | + | 174000 | x | = | 35000 |
| 174000 | x | = | 35000 | − | 174000 |
| 174000 | x | = | - | 139000 |
| x | = | - | 139000 | ÷ | 174000 |
| = | - | 139000 | × | 1 174000 |
| = | - | 139 | × | 1 174 |
| x | = | - | 139 174 |
| x | = | - 0.798851 |