| 514 | ÷ | ( | 1 | + | q | ) | − | 956 | ÷ | ( | 1 | − | q | ) | + | 50 | ÷ | q | = | 0 |
| 方程两边同时乘以: | ( | 1 | + | q | ) |
| 514 | − | 956 | ÷ | ( | 1 | − | q | ) | × | ( | 1 | + | q | ) | + | 50 | ÷ | q | × | ( | 1 | + | q | ) | = | 0 |
| 514 | − | 956 | ÷ | ( | 1 | − | q | ) | × | 1 | − | 956 | ÷ | ( | 1 | − | q | ) | × | q | + | 50 | ÷ | q | × | ( | 1 | + | q | ) | = | 0 |
| 514 | − | 956 | ÷ | ( | 1 | − | q | ) | − | 956 | ÷ | ( | 1 | − | q | ) | × | q | + | 50 | ÷ | q | × | ( | 1 | + | q | ) | = | 0 |
| 方程两边同时乘以: | ( | 1 | − | q | ) |
| 514 | ( | 1 | − | q | ) | − | 956 | − | 956 | q | + | 50 | ÷ | q | × | ( | 1 | + | q | ) | ( | 1 | − | q | ) | = | 0 |
| 514 | × | 1 | − | 514 | q | − | 956 | − | 956 | q | + | 50 | ÷ | q | × | ( | 1 | + | q | ) | ( | 1 | − | q | ) | = | 0 |
| 514 | − | 514 | q | − | 956 | − | 956 | q | + | 50 | ÷ | q | × | ( | 1 | + | q | ) | ( | 1 | − | q | ) | = | 0 |
| - | 442 | − | 1470 | q | + | 50 | ÷ | q | × | ( | 1 | + | q | ) | ( | 1 | − | q | ) | = | 0 |
| 方程两边同时乘以: | q |
| - | 442 | q | − | 1470 | q | q | + | 50 | ( | 1 | + | q | ) | ( | 1 | − | q | ) | = | 0 |
| - | 442 | q | − | 1470 | q | q | + | 50 | × | 1 | ( | 1 | − | q | ) | + | 50 | q | ( | 1 | − | q | ) | = | 0 |
| - | 442 | q | − | 1470 | q | q | + | 50 | ( | 1 | − | q | ) | + | 50 | q | ( | 1 | − | q | ) | = | 0 |
| - | 442 | q | − | 1470 | q | q | + | 50 | × | 1 | − | 50 | q | + | 50 | q | ( | 1 | − | q | ) | = | 0 |
| - | 442 | q | − | 1470 | q | q | + | 50 | − | 50 | q | + | 50 | q | ( | 1 | − | q | ) | = | 0 |
| - | 492 | q | − | 1470 | q | q | + | 50 | + | 50 | q | ( | 1 | − | q | ) | = | 0 |
| - | 492 | q | − | 1470 | q | q | + | 50 | + | 50 | q | × | 1 | − | 50 | q | q | = | 0 |
| - | 492 | q | − | 1470 | q | q | + | 50 | + | 50 | q | − | 50 | q | q | = | 0 |
| - | 442 | q | − | 1470 | q | q | + | 50 | − | 50 | q | q | = | 0 |