309 625 | − | ( | ( | 1 | + | x | ) | ÷ | x | ) | × | 49 2500 | ( | 1 | − | 2 5 | ) | = | 0 |
309 625 | − | ( | 1 | + | x | ) | ÷ | x | × | 49 2500 | ( | 1 | − | 2 5 | ) | = | 0 |
| 方程两边同时乘以: | x |
309 625 | x | − | ( | 1 | + | x | ) | × | 49 2500 | ( | 1 | − | 2 5 | ) | = | 0 |
309 625 | x | − | 1 | × | 49 2500 | ( | 1 | − | 2 5 | ) | − | x | × | 49 2500 | ( | 1 | − | 2 5 | ) | = | 0 |
309 625 | x | − | 49 2500 | ( | 1 | − | 2 5 | ) | − | x | × | 49 2500 | ( | 1 | − | 2 5 | ) | = | 0 |
309 625 | x | − | 49 2500 | × | 1 | + | 49 2500 | × | 2 5 | − | x | × | 49 2500 | ( | 1 | − | 2 5 | ) | = | 0 |
309 625 | x | − | 49 2500 | + | 49 6250 | − | x | × | 49 2500 | ( | 1 | − | 2 5 | ) | = | 0 |
309 625 | x | − | 147 12500 | − | x | × | 49 2500 | ( | 1 | − | 2 5 | ) | = | 0 |
309 625 | x | − | 147 12500 | − | x | × | 49 2500 | × | 1 | + | x | × | 49 2500 | × | 2 5 | = | 0 |
309 625 | x | − | 147 12500 | − | x | × | 49 2500 | + | x | × | 49 6250 | = | 0 |
6033 12500 | x | − | 147 12500 | = | 0 |
6033 12500 | x | = | 0 | + | 147 12500 |
6033 12500 | x | = | 147 12500 |
| x | = | 147 12500 | ÷ | 6033 12500 |
| = | 147 12500 | × | 12500 6033 |
| = | 49 | × | 1 2011 |
| x | = | 49 2011 |
| x | = | 0.024366 |