108 5 | ÷ | X | − | 108 5 | ÷ | ( | X | − | 3 | ) | = | 1 10 |
| 方程两边同时乘以: | X |
108 5 | − | 108 5 | ÷ | ( | X | − | 3 | ) | × | X | = | 1 10 | X |
| 方程两边同时乘以: | ( | X | − | 3 | ) |
108 5 | ( | X | − | 3 | ) | − | 108 5 | X | = | 1 10 | X | ( | X | − | 3 | ) |
108 5 | X | − | 108 5 | × | 3 | − | 108 5 | X | = | 1 10 | X | ( | X | − | 3 | ) |
108 5 | X | − | 108 5 | × | 3 | − | 108 5 | X | = | 1 10 | X | X | − | 1 10 | X | × | 3 |
108 5 | X | − | 324 5 | − | 108 5 | X | = | 1 10 | X | X | − | 3 10 | X |
| 0 | X | − | 324 5 | = | 1 10 | X | X | − | 3 10 | X |