( | 22 25 | − | X | ) | ÷ | ( | X | − | 21 25 | ) | = | ( | 307 10000 | − | X | ) | ÷ | ( | X | − | 26 625 | ) |
方程两边同时乘以: | ( | X | − | 21 25 | ) | , | ( | X | − | 26 625 | ) |
( | 22 25 | − | X | ) | ( | X | − | 26 625 | ) | = | ( | 307 10000 | − | X | ) | ( | X | − | 21 25 | ) |
22 25 | ( | X | − | 26 625 | ) | − | X | ( | X | − | 26 625 | ) | = | ( | 307 10000 | − | X | ) | ( | X | − | 21 25 | ) |
22 25 | ( | X | − | 26 625 | ) | − | X | ( | X | − | 26 625 | ) | = | 307 10000 | ( | X | − | 21 25 | ) | − | X | ( | X | − | 21 25 | ) |
22 25 | X | − | 22 25 | × | 26 625 | − | X | ( | X | − | 26 625 | ) | = | 307 10000 | ( | X | − | 21 25 | ) | − | X | ( | X | − | 21 25 | ) |
22 25 | X | − | 22 25 | × | 26 625 | − | X | ( | X | − | 26 625 | ) | = | 307 10000 | X | − | 307 10000 | × | 21 25 | − | X | ( | X | − | 21 25 | ) |
22 25 | X | − | 572 15625 | − | X | ( | X | − | 26 625 | ) | = | 307 10000 | X | − | 6447 250000 | − | X | ( | X | − | 21 25 | ) |
22 25 | X | − | 572 15625 | − | X | X | + | X | × | 26 625 | = | 307 10000 | X | − | 6447 250000 | − | X | ( | X | − | 21 25 | ) |
22 25 | X | − | 572 15625 | − | X | X | + | X | × | 26 625 | = | 307 10000 | X | − | 6447 250000 | − | X | X | + | X | × | 21 25 |
576 625 | X | − | 572 15625 | − | X | X | = | 8707 10000 | X | − | 6447 250000 | − | X | X |