| - | 67 100 | x | + | 83 100 | = | 54 25 | x | ÷ | ( | 1 | + | 29 25 | x | ) |
| 方程两边同时乘以: | ( | 1 | + | 29 25 | x | ) |
| - | 67 100 | x | ( | 1 | + | 29 25 | x | ) | + | 83 100 | ( | 1 | + | 29 25 | x | ) | = | 54 25 | x |
| - | 67 100 | x | × | 1 | − | 67 100 | x | × | 29 25 | x | + | 83 100 | ( | 1 | + | 29 25 | x | ) | = | 54 25 | x |
| - | 67 100 | x | − | 1943 2500 | x | x | + | 83 100 | ( | 1 | + | 29 25 | x | ) | = | 54 25 | x |
| - | 67 100 | x | − | 1943 2500 | x | x | + | 83 100 | × | 1 | + | 83 100 | × | 29 25 | x | = | 54 25 | x |
| - | 67 100 | x | − | 1943 2500 | x | x | + | 83 100 | + | 2407 2500 | x | = | 54 25 | x |
183 625 | x | − | 1943 2500 | x | x | + | 83 100 | = | 54 25 | x |