6 5 | X | ÷ | ( | 1 | − | 1 5 | X | ) | − | 43 100 | = | - | 2 | ( | X | − | 1 100 | ) |
| 方程两边同时乘以: | ( | 1 | − | 1 5 | X | ) |
6 5 | X | − | 43 100 | ( | 1 | − | 1 5 | X | ) | = | - | 2 | ( | X | − | 1 100 | ) | ( | 1 | − | 1 5 | X | ) |
6 5 | X | − | 43 100 | × | 1 | + | 43 100 | × | 1 5 | X | = | - | 2 | ( | X | − | 1 100 | ) | ( | 1 | − | 1 5 | X | ) |
6 5 | X | − | 43 100 | × | 1 | + | 43 100 | × | 1 5 | X | = | - | 2 | X | ( | 1 | − | 1 5 | X | ) | + | 2 | × | 1 100 | ( | 1 | − | 1 5 | X | ) |
6 5 | X | − | 43 100 | + | 43 500 | X | = | - | 2 | X | ( | 1 | − | 1 5 | X | ) | + | 1 50 | ( | 1 | − | 1 5 | X | ) |
643 500 | X | − | 43 100 | = | - | 2 | X | ( | 1 | − | 1 5 | X | ) | + | 1 50 | ( | 1 | − | 1 5 | X | ) |
643 500 | X | − | 43 100 | = | - | 2 | X | × | 1 | + | 2 | X | × | 1 5 | X | + | 1 50 | ( | 1 | − | 1 5 | X | ) |
643 500 | X | − | 43 100 | = | - | 2 | X | + | 2 5 | X | X | + | 1 50 | ( | 1 | − | 1 5 | X | ) |
643 500 | X | − | 43 100 | = | - | 2 | X | + | 2 5 | X | X | + | 1 50 | × | 1 | − | 1 50 | × | 1 5 | X |
643 500 | X | − | 43 100 | = | - | 2 | X | + | 2 5 | X | X | + | 1 50 | − | 1 250 | X |
643 500 | X | − | 43 100 | = | - | 501 250 | X | + | 2 5 | X | X | + | 1 50 |