| 0 | = | 6667 10000 | − | 617 10000 | − | ( | 1 | + | X | ) | ÷ | X | × | 9 200 | ( | 1 | − | 30 100 | ) |
| 方程两边同时乘以: | X |
| 0 | = | 6667 10000 | X | − | 617 10000 | X | − | ( | 1 | + | X | ) | × | 9 200 | ( | 1 | − | 30 100 | ) |
| 0 | = | 6667 10000 | X | − | 617 10000 | X | − | 1 | × | 9 200 | ( | 1 | − | 30 100 | ) | − | X | × | 9 200 | ( | 1 | − | 30 100 | ) |
| 0 | = | 6667 10000 | X | − | 617 10000 | X | − | 9 200 | ( | 1 | − | 30 100 | ) | − | X | × | 9 200 | ( | 1 | − | 30 100 | ) |
| 0 | = | 121 200 | X | − | 9 200 | ( | 1 | − | 30 100 | ) | − | X | × | 9 200 | ( | 1 | − | 30 100 | ) |
| 0 | = | 121 200 | X | − | 9 200 | × | 1 | + | 9 200 | × | 30 100 | − | X | × | 9 200 | ( | 1 | − | 30 100 | ) |
| 0 | = | 121 200 | X | − | 9 200 | + | 27 2000 | − | X | × | 9 200 | ( | 1 | − | 30 100 | ) |
| 0 | = | 121 200 | X | − | 63 2000 | − | X | × | 9 200 | ( | 1 | − | 30 100 | ) |
| 0 | = | 121 200 | X | − | 63 2000 | − | X | × | 9 200 | × | 1 | + | X | × | 9 200 | × | 30 100 |
| 0 | = | 121 200 | X | − | 63 2000 | − | X | × | 9 200 | + | X | × | 27 2000 |
| 0 | = | 1147 2000 | X | − | 63 2000 |
| - | 1147 2000 | X | = | - | 63 2000 | − | 0 |
| - | 1147 2000 | X | = | - | 63 2000 |
63 2000 | = | 1147 2000 | X |
1147 2000 | X | = | 63 2000 |
| X | = | 63 2000 | ÷ | 1147 2000 |
| = | 63 2000 | × | 2000 1147 |
| = | 63 | × | 1 1147 |
| X | = | 63 1147 |
| X | = | 0.054926 |