| - | 85 | + | 48 | ÷ | ( | 1 | + | x | ) | + | 43 | ÷ | ( | 1 | + | x | ) | × | 2 | + | 32 | ÷ | ( | 1 | + | x | ) | × | 3 | = | 0 |
| 方程两边同时乘以: | ( | 1 | + | x | ) |
| - | 85 | ( | 1 | + | x | ) | + | 48 | + | 43 | × | 2 | + | 32 | × | 3 | = | 0 |
| - | 85 | × | 1 | − | 85 | x | + | 48 | + | 43 | × | 2 | + | 32 | × | 3 | = | 0 |
| - | 85 | − | 85 | x | + | 48 | + | 86 | + | 96 | = | 0 |
| 145 | − | 85 | x | = | 0 |
| - | 85 | x | = | 0 | − | 145 |
| - | 85 | x | = | - | 145 |
| 145 | = | 85 | x |
| 85 | x | = | 145 |
| x | = | 145 | ÷ | 85 |
| = | 145 | × | 1 85 |
| = | 29 | × | 1 17 |
| x | = | 29 17 |
| x | = | 1.705882 |