| ( | 1 | − | x | ) | ÷ | 9 | = | 4 | x | ÷ | ( | 24 | + | 4 | + | 48 | ) |
| 方程两边同时乘以: | ( | 24 | + | 4 | + | 48 | ) |
| ( | 1 | − | x | ) | ÷ | 9 | × | ( | 24 | + | 4 | + | 48 | ) | = | 4 | x |
| 1 | ÷ | 9 | × | ( | 24 | + | 4 | + | 48 | ) | − | x | ÷ | 9 | × | ( | 24 | + | 4 | + | 48 | ) | = | 4 | x |
1 9 | ( | 24 | + | 4 | + | 48 | ) | − | x | × | 1 9 | ( | 24 | + | 4 | + | 48 | ) | = | 4 | x |
1 9 | × | 24 | + | 1 9 | × | 4 | + | 1 9 | × | 48 | − | x | × | 1 9 | ( | 24 | + | 4 | + | 48 | ) | = | 4 | x |
8 3 | + | 4 9 | + | 16 3 | − | x | × | 1 9 | ( | 24 | + | 4 | + | 48 | ) | = | 4 | x |
76 9 | − | x | × | 1 9 | ( | 24 | + | 4 | + | 48 | ) | = | 4 | x |
76 9 | − | x | × | 1 9 | × | 24 | − | x | × | 1 9 | × | 4 | − | x | × | 1 9 | × | 48 | = | 4 | x |
76 9 | − | x | × | 8 3 | − | x | × | 4 9 | − | x | × | 16 3 | = | 4 | x |
76 9 | − | 76 9 | x | = | 4 | x |
| - | 76 9 | x | − | 4 | x | = | - | 76 9 |
| - | 112 9 | x | = | - | 76 9 |
76 9 | = | 112 9 | x |
112 9 | x | = | 76 9 |
| x | = | 76 9 | ÷ | 112 9 |
| = | 76 9 | × | 9 112 |
| = | 19 | × | 1 28 |
| x | = | 19 28 |
| x | = | 0.678571 |