| ( | 1 | + | 4 100 | ) | x | + | ( | 3871 100 | − | x | ) | ( | 1 | + | 37 1000 | ) | = | 2007 50 |
| 方程左边 = | 1 | x | + | 4 100 | x | + | ( | 3871 100 | − | x | ) | ( | 1 | + | 37 1000 | ) |
| = | 26 25 | x | + | ( | 3871 100 | − | x | ) | ( | 1 | + | 37 1000 | ) |
| = | 26 25 | x | + | 3871 100 | ( | 1 | + | 37 1000 | ) | − | x | ( | 1 | + | 37 1000 | ) |
| = | 26 25 | x | + | 3871 100 | × | 1 | + | 3871 100 | × | 37 1000 | − | x | ( | 1 | + | 37 1000 | ) |
| = | 26 25 | x | + | 3871 100 | + | 143227 100000 | − | x | ( | 1 | + | 37 1000 | ) |
| = | 26 25 | x | + | 4014227 100000 | − | x | ( | 1 | + | 37 1000 | ) |
| = | 26 25 | x | + | 4014227 100000 | − | x | × | 1 | − | x | × | 37 1000 |
| = | 3 1000 | x | + | 4014227 100000 |
3 1000 | x | + | 4014227 100000 | = | 2007 50 |
3 1000 | x | = | 2007 50 | − | 4014227 100000 |
3 1000 | x | = | - | 227 100000 |
| x | = | - | 227 100000 | ÷ | 3 1000 |
| = | - | 227 100000 | × | 1000 3 |
| = | - | 227 100 | × | 1 3 |
| x | = | - | 227 300 |
| x | = | - 0.756667 |