429 10 | x | = | ( | 17 | x | × | 27 20 | + | 2 | × | 29 25 | × | 61 10 | − | 17 10 | x | × | 37 50 | − | 2 | × | 61 10 | × | 43 50 | ) | x | ÷ | ( | 2 | ) | × | x | ( | 3 | ) |
| 方程两边同时乘以: | ( | 2 | ) |
429 10 | x | ( | 2 | ) | = | ( | 17 | x | × | 27 20 | + | 2 | × | 29 25 | × | 61 10 | − | 17 10 | x | × | 37 50 | − | 2 | × | 61 10 | × | 43 50 | ) | x | x | ( | 3 | ) |
429 10 | x | × | 2 | = | ( | 17 | x | × | 27 20 | + | 2 | × | 29 25 | × | 61 10 | − | 17 10 | x | × | 37 50 | − | 2 | × | 61 10 | × | 43 50 | ) | x | x | ( | 3 | ) |
429 10 | x | × | 2 | = | 17 | x | × | 27 20 | x | x | ( | 3 | ) | + | 2 | × | 29 25 | × | 61 10 | x | x | ( | 3 | ) |
429 5 | x | = | 459 20 | x | x | x | ( | 3 | ) | + | 1769 125 | x | x | ( | 3 | ) | − | 629 500 | x | x |
429 5 | x | = | 459 20 | x | x | x | × | 3 | + | 1769 125 | x | x | ( | 3 | ) | − | 629 500 | x | x |
429 5 | x | = | 1377 20 | x | x | x | + | 1769 125 | x | x | ( | 3 | ) | − | 629 500 | x | x | x |
429 5 | x | = | 1377 20 | x | x | x | + | 1769 125 | x | x | × | 3 | − | 629 500 | x | x | x |
429 5 | x | = | 1377 20 | x | x | x | + | 5307 125 | x | x | − | 629 500 | x | x | x | ( | 3 | ) |
429 5 | x | = | 1377 20 | x | x | x | + | 5307 125 | x | x | − | 629 500 | x | x | x | × | 3 |
429 5 | x | = | 1377 20 | x | x | x | + | 5307 125 | x | x | − | 1887 500 | x | x | x | − | 2623 250 |
429 5 | x | = | 1377 20 | x | x | x | + | 5307 125 | x | x | − | 1887 500 | x | x | x | − | 2623 250 |
429 5 | x | = | 1377 20 | x | x | x | + | 5307 125 | x | x | − | 1887 500 | x | x | x | − | 7869 250 |