| ( | 1 2 | + | x | ) | x | = | 9 5 | x | ( | 1 20 | − | x | ) | ÷ | 100000 |
| 方程左边 = | 1 2 | x | + | x | x |
1 2 | x | + | x | x | = | 9 5 | x | ( | 1 20 | − | x | ) | ÷ | 100000 |
| 方程右边 = | 9 500000 | x | ( | 1 20 | − | x | ) |
1 2 | x | + | x | x | = | 9 500000 | x | ( | 1 20 | − | x | ) |
| 方程右边 = | 9 500000 | x | × | 1 20 | − | 9 500000 | x | x |
| = | 9 10000000 | x | − | 9 500000 | x | x |
1 2 | x | + | x | x | = | 9 10000000 | x | − | 9 500000 | x | x |
| x1=0 |