| X | = | ( | 4 5 | × | 13 500 | + | 1 5 | X | ) | × | 193 200 |
| 方程右边 = | 4 5 | × | 13 500 | × | 193 200 | + | 1 5 | X | × | 193 200 |
| = | 2509 125000 | + | 193 1000 | X |
| X | = | 2509 125000 | + | 193 1000 | X |
| X | − | 193 1000 | X | = | 2509 125000 |
807 1000 | X | = | 2509 125000 |
| X | = | 2509 125000 | ÷ | 807 1000 |
| = | 2509 125000 | × | 1000 807 |
| = | 2509 125 | × | 1 807 |
| X | = | 2509 100875 |
| X | = | 0.024872 |