| 329 | x | + | ( | 1 | − | x | ) | × | 879 10 | = | 1537 20 |
| 方程左边 = | 329 | x | + | 1 | × | 879 10 | − | x | × | 879 10 |
| = | 329 | x | + | 879 10 | − | x | × | 879 10 |
| = | 2411 10 | x | + | 879 10 |
2411 10 | x | + | 879 10 | = | 1537 20 |
2411 10 | x | = | 1537 20 | − | 879 10 |
2411 10 | x | = | - | 221 20 |
| x | = | - | 221 20 | ÷ | 2411 10 |
| = | - | 221 20 | × | 10 2411 |
| = | - | 221 2 | × | 1 2411 |
| x | = | - | 221 4822 |
| x | = | - 0.045832 |