3 5 | x | + | 1 2 | ÷ | 1 5 | − | 3 100 | x | + | 1 5 | ÷ | 3 50 | = | x | − | 9 | ÷ | 3 |
| 方程左边 = | 3 5 | x | + | 5 2 | − | 3 100 | x | + | 10 3 |
| = | 57 100 | x | + | 35 6 |
57 100 | x | + | 35 6 | = | x | − | 9 | ÷ | 3 |
| 方程右边 = | x | − | 3 |
57 100 | x | + | 35 6 | = | x | − | 3 |
57 100 | x | − | x | = | - | 3 | − | 35 6 |
| - | 43 100 | x | = | - | 3 | − | 35 6 |
| - | 43 100 | x | = | - | 53 6 |
53 6 | = | 43 100 | x |
43 100 | x | = | 53 6 |
| x | = | 53 6 | ÷ | 43 100 |
| = | 53 6 | × | 100 43 |
| = | 53 3 | × | 50 43 |
| x | = | 2650 129 |
| x | = | 20.542636 |