25 100 | = | ( | 25 200 | × | 167 100 | × | 2 | X | ) | ÷ | ( | 1 | − | 25 200 | × | 167 100 | × | 2 | X | ) |
| 方程两边同时乘以: | ( | 1 | − | 25 200 | × | 167 100 | × | 2 | X | ) |
25 100 | ( | 1 | − | 25 200 | × | 167 100 | × | 2 | X | ) | = | ( | 25 200 | × | 167 100 | × | 2 | X | ) |
25 100 | × | 1 | − | 25 100 | × | 25 200 | × | 167 100 | × | 2 | X | = | ( | 25 200 | × | 167 100 | × | 2 | X | ) |
25 100 | × | 1 | − | 25 100 | × | 25 200 | × | 167 100 | × | 2 | X | = | 25 200 | × | 167 100 | × | 2 | X |
1 4 | − | 167 1600 | X | = | 167 400 | X |
| - | 167 1600 | X | − | 167 400 | X | = | - | 1 4 |
| - | 167 320 | X | = | - | 1 4 |
1 4 | = | 167 320 | X |
167 320 | X | = | 1 4 |
| X | = | 1 4 | ÷ | 167 320 |
| = | 1 4 | × | 320 167 |
| = | 1 | × | 80 167 |
| X | = | 80 167 |
| X | = | 0.479042 |