| x | = | ( | x | + | 150000 | ) | ÷ | 53 50 | × | 3 50 | × | 28 25 |
| 方程右边 = | ( | x | + | 150000 | ) | × | 84 1325 |
| x | = | ( | x | + | 150000 | ) | × | 84 1325 |
| 方程右边 = | x | × | 84 1325 | + | 150000 | × | 84 1325 |
| = | x | × | 84 1325 | + | 504000 53 |
| x | = | 84 1325 | x | + | 504000 53 |
| x | − | 84 1325 | x | = | 504000 53 |
1241 1325 | x | = | 504000 53 |
| x | = | 504000 53 | ÷ | 1241 1325 |
| = | 504000 53 | × | 1325 1241 |
| = | 504000 | × | 25 1241 |
| x | = | 12600000 1241 |
| x | = | 10153.102337 |