| ( | 35 100 | ( | X | + | X | ÷ | 7 100 | ) | + | 65 100 | ( | 1000 | + | 2 | X | ) | ) | ÷ | 529 500 | = | 0 |
| 方程左边 = | 35 100 | ( | X | + | X | ÷ | 7 100 | ) | × | 500 529 | + | 65 100 | ( | 1000 | + | 2 | X | ) | × | 500 529 |
| = | 175 529 | ( | X | + | X | ÷ | 7 100 | ) | + | 325 529 | ( | 1000 | + | 2 | X | ) |
| = | 175 529 | X | + | 175 529 | X | ÷ | 7 100 | + | 325 529 | ( | 1000 | + | 2 | X | ) |
| = | 175 529 | X | + | 2500 529 | X | + | 325 529 | ( | 1000 | + | 2 | X | ) |
| = | 2675 529 | X | + | 325 529 | ( | 1000 | + | 2 | X | ) |
| = | 2675 529 | X | + | 325 529 | × | 1000 | + | 325 529 | × | 2 | X |
| = | 2675 529 | X | + | 325000 529 | + | 650 529 | X |
| = | 3325 529 | X | + | 325000 529 |
3325 529 | X | + | 325000 529 | = | 0 |
3325 529 | X | = | 0 | − | 325000 529 |
3325 529 | X | = | - | 325000 529 |
| X | = | - | 325000 529 | ÷ | 3325 529 |
| = | - | 325000 529 | × | 529 3325 |
| = | - | 13000 | × | 1 133 |
| X | = | - | 13000 133 |
| X | = | - 97.744361 |