| x | = | 40209 | + | 242931 50 | + | 67 1000 | x | + | 3 20 | x |
| 方程右边 = | 2253381 50 | + | 217 1000 | x |
| x | = | 2253381 50 | + | 217 1000 | x |
| x | − | 217 1000 | x | = | 2253381 50 |
783 1000 | x | = | 2253381 50 |
| x | = | 2253381 50 | ÷ | 783 1000 |
| = | 2253381 50 | × | 1000 783 |
| = | 751127 | × | 20 261 |
| x | = | 15022540 261 |
| x | = | 57557.624521 |