1605244 25 | − | 3 10000 | X | + | ( | X | − | 3 10000 | X | ) | × | 25 100 | = | X |
| 方程左边 = | 1605244 25 | − | 3 10000 | X | + | X | × | 25 100 | − | 3 10000 | X | × | 25 100 |
| = | 1605244 25 | − | 3 10000 | X | + | X | × | 25 100 | − | 3 40000 | X |
| = | 1605244 25 | + | 1997 8000 | X |
1605244 25 | + | 1997 8000 | X | = | X |
1997 8000 | X | − | X | = | - | 1605244 25 |
| - | 6003 8000 | X | = | - | 1605244 25 |
1605244 25 | = | 6003 8000 | X |
6003 8000 | X | = | 1605244 25 |
| X | = | 1605244 25 | ÷ | 6003 8000 |
| = | 1605244 25 | × | 8000 6003 |
| = | 1605244 | × | 320 6003 |
| X | = | 513678080 6003 |
| X | = | 85570.228219 |