| ( | 51 125 | + | 2 | x | ) | ÷ | ( | 51 125 | + | x | ) | − | 1 | = | 27 2000 |
| 方程两边同时乘以: | ( | 51 125 | + | x | ) |
| ( | 51 125 | + | 2 | x | ) | − | 1 | ( | 51 125 | + | x | ) | = | 27 2000 | ( | 51 125 | + | x | ) |
51 125 | + | 2 | x | − | 1 | ( | 51 125 | + | x | ) | = | 27 2000 | ( | 51 125 | + | x | ) |
51 125 | + | 2 | x | − | 1 | ( | 51 125 | + | x | ) | = | 27 2000 | × | 51 125 | + | 27 2000 | x |
51 125 | + | 2 | x | − | 1 | ( | 51 125 | + | x | ) | = | 1377 250000 | + | 27 2000 | x |
51 125 | + | 2 | x | − | 1 | × | 51 125 | − | 1 | x | = | 1377 250000 | + | 27 2000 | x |
51 125 | + | 2 | x | − | 51 125 | − | 1 | x | = | 1377 250000 | + | 27 2000 | x |
| 0 | + | 1 | x | = | 1377 250000 | + | 27 2000 | x |
| 1 | x | − | 27 2000 | x | = | 1377 250000 |
1973 2000 | x | = | 1377 250000 |
| x | = | 1377 250000 | ÷ | 1973 2000 |
| = | 1377 250000 | × | 2000 1973 |
| = | 1377 125 | × | 1 1973 |
| x | = | 1377 246625 |
| x | = | 0.005583 |