| 17 | = | 139 10 | + | 1 50 | ÷ | ( | 1 50 | + | 49 50 | x | ) | × | 137 10 |
| 方程两边同时乘以: | ( | 1 50 | + | 49 50 | x | ) |
| 17 | ( | 1 50 | + | 49 50 | x | ) | = | 139 10 | ( | 1 50 | + | 49 50 | x | ) | + | 1 50 | × | 137 10 |
| 17 | × | 1 50 | + | 17 | × | 49 50 | x | = | 139 10 | ( | 1 50 | + | 49 50 | x | ) | + | 1 50 | × | 137 10 |
| 17 | × | 1 50 | + | 17 | × | 49 50 | x | = | 139 10 | × | 1 50 | + | 139 10 | × | 49 50 | x | + | 1 50 | × | 137 10 |
17 50 | + | 833 50 | x | = | 139 500 | + | 6811 500 | x | + | 137 500 |
17 50 | + | 833 50 | x | = | 69 125 | + | 6811 500 | x |
833 50 | x | − | 6811 500 | x | = | 69 125 | − | 17 50 |
1519 500 | x | = | 69 125 | − | 17 50 |
1519 500 | x | = | 53 250 |
| x | = | 53 250 | ÷ | 1519 500 |
| = | 53 250 | × | 500 1519 |
| = | 53 | × | 2 1519 |
| x | = | 106 1519 |
| x | = | 0.069783 |