| x | ÷ | 430000 | × | 203 | × | 3 4 | = | 11000 | + | x |
| 方程左边 = | x | × | 609 1720000 |
609 1720000 | x | = | 11000 | + | x |
609 1720000 | x | − | x | = | 11000 |
| - | 1719391 1720000 | x | = | 11000 |
| - | 11000 | = | 1719391 1720000 | x |
1719391 1720000 | x | = | - | 11000 |
| x | = | - | 11000 | ÷ | 1719391 1720000 |
| = | - | 11000 | × | 1720000 1719391 |
| x | = | - | 18920000000 1719391 |