| 1 | + | x | = | ( | 1 | − | 32 500 | ) | ( | 1 | + | x | + | 8 100 | ) |
| 方程右边 = | 1 | ( | 1 | + | x | + | 8 100 | ) | − | 32 500 | ( | 1 | + | x | + | 8 100 | ) |
| = | 1 | × | 1 | + | 1 | x | + | 1 | × | 8 100 | − | 32 500 | ( | 1 | + | x | + | 8 100 | ) |
| = | 1 | + | 1 | x | + | 2 25 | − | 32 500 | ( | 1 | + | x | + | 8 100 | ) |
| = | 27 25 | + | 1 | x | − | 32 500 | ( | 1 | + | x | + | 8 100 | ) |
| = | 27 25 | + | 1 | x | − | 32 500 | × | 1 | − | 32 500 | x | − | 32 500 | × | 8 100 |
| = | 27 25 | + | 1 | x | − | 8 125 | − | 32 500 | x | − | 16 3125 |
| = | 3159 3125 | + | 117 125 | x |
| 1 | + | x | = | 3159 3125 | + | 117 125 | x |
| x | − | 117 125 | x | = | 3159 3125 | − | 1 |
8 125 | x | = | 3159 3125 | − | 1 |
8 125 | x | = | 34 3125 |
| x | = | 34 3125 | ÷ | 8 125 |
| = | 34 3125 | × | 125 8 |
| = | 17 25 | × | 1 4 |
| x | = | 17 100 |
| x | = | 0.17 |