| x | − | 11 50 | x | − | ( | 99 | − | x | ) | = | 3 4 | ( | 166 | − | x | − | ( | 99 | − | x | ) | ) |
| 方程左边 = | 39 50 | x | − | ( | 99 | − | x | ) |
39 50 | x | − | ( | 99 | − | x | ) | = | 3 4 | ( | 166 | − | x | − | ( | 99 | − | x | ) | ) |
| 方程左边 = | 39 50 | x | − | 99 | + | x |
| = | 89 50 | x | − | 99 |
89 50 | x | − | 99 | = | 3 4 | ( | 166 | − | x | − | ( | 99 | − | x | ) | ) |
| 方程右边 = | 3 4 | × | 166 | − | 3 4 | x | − | 3 4 | ( | 99 | − | x | ) |
| = | 249 2 | − | 3 4 | x | − | 3 4 | ( | 99 | − | x | ) |
| = | 249 2 | − | 3 4 | x | − | 3 4 | × | 99 | + | 3 4 | x |
| = | 249 2 | − | 3 4 | x | − | 297 4 | + | 3 4 | x |
| = | 201 4 | − | 0 | x |
89 50 | x | − | 99 | = | 201 4 | − | 0 | x |
89 50 | x | = | 201 4 | + | 99 |
89 50 | x | = | 597 4 |
| x | = | 597 4 | ÷ | 89 50 |
| = | 597 4 | × | 50 89 |
| = | 597 2 | × | 25 89 |
| x | = | 14925 178 |
| x | = | 83.848315 |