| 15 | ÷ | 102 | + | 2 | ÷ | 447 10 | + | X | ÷ | 1000 | + | ( | 377 5 | − | X | ) | ÷ | 1650 | = | 157 500 |
| 方程左边 = | 5 34 | + | 20 447 | + | X | × | 1 1000 | + | ( | 377 5 | − | X | ) | × | 1 1650 |
| = | 2915 15198 | + | 1 1000 | X | + | ( | 377 5 | − | X | ) | × | 1 1650 |
2915 15198 | + | 1 1000 | X | + | ( | 377 5 | − | X | ) | × | 1 1650 | = | 157 500 |
| 方程左边 = | 2915 15198 | + | 1 1000 | X | + | 377 5 | × | 1 1650 | − | X | × | 1 1650 |
| = | 2915 15198 | + | 1 1000 | X | + | 377 8250 | − | X | × | 1 1650 |
| = | 2481533 10448625 | + | 13 33000 | X |
2481533 10448625 | + | 13 33000 | X | = | 157 500 |
13 33000 | X | = | 157 500 | − | 2481533 10448625 |
13 33000 | X | = | 3197341 41794500 |
| X | = | 3197341 41794500 | ÷ | 13 33000 |
| = | 3197341 41794500 | × | 33000 13 |
| = | 3197341 2533 | × | 2 13 |
| X | = | 6394682 32929 |
| X | = | 194.196058 |