4361 50 | x | + | 100 | ( | 1 | − | x | ) | − | 8977 100 | = | 0 |
| 方程左边 = | 4361 50 | x | + | 100 | × | 1 | − | 100 | x | − | 8977 100 |
| = | 4361 50 | x | + | 100 | − | 100 | x | − | 8977 100 |
| = | - | 639 50 | x | + | 1023 100 |
| - | 639 50 | x | + | 1023 100 | = | 0 |
| - | 639 50 | x | = | 0 | − | 1023 100 |
| - | 639 50 | x | = | - | 1023 100 |
1023 100 | = | 639 50 | x |
639 50 | x | = | 1023 100 |
| x | = | 1023 100 | ÷ | 639 50 |
| = | 1023 100 | × | 50 639 |
| = | 341 2 | × | 1 213 |
| x | = | 341 426 |
| x | = | 0.800469 |