819 50 | X | + | 6300 | − | 3856821 50 | − | ( | 819 50 | X | + | 6300 | ) | ÷ | ( | 1 | + | 9 100 | ) | × | 3 100 | × | 28 25 | − | ( | 819 50 | X | + | 6300 | ) | × | 1 2000 | − | 14791 25 | − | ( | 819 50 | X | − | 819 50 | X | ÷ | ( | 1 | + | 9 100 | ) | × | 3 100 | ) | = | 0 |
方程两边同时乘以: | ( | 1 | + | 9 100 | ) |
819 50 | X | ( | 1 | + | 9 100 | ) | + | 6300 | ( | 1 | + | 9 100 | ) | − | 3856821 50 | ( | 1 | + | 9 100 | ) | − | ( | 819 50 | X | + | 6300 | ) | × | 3 100 | × | 28 25 | − | ( | 819 50 | X | + | 6300 | ) | × | 1 2000 | = | 0 |
819 50 | X | × | 1 | + | 819 50 | X | × | 9 100 | + | 6300 | ( | 1 | + | 9 100 | ) | − | 3856821 50 | ( | 1 | + | 9 100 | ) | − | ( | 819 50 | X | + | 6300 | ) | × | 3 100 | = | 0 |
819 50 | X | + | 7371 5000 | X | + | 6300 | ( | 1 | + | 9 100 | ) | − | 3856821 50 | ( | 1 | + | 9 100 | ) | − | ( | 819 50 | X | + | 6300 | ) | × | 21 625 | − | ( | 819 50 | X | + | 6300 | ) | × | 1 2000 | = | 0 |
89271 5000 | X | + | 6300 | ( | 1 | + | 9 100 | ) | − | 3856821 50 | ( | 1 | + | 9 100 | ) | − | ( | 819 50 | X | + | 6300 | ) | × | 21 625 | − | ( | 819 50 | X | + | 6300 | ) | × | 1 2000 | ( | 1 | + | 9 100 | ) | − | 14791 25 | = | 0 |
89271 5000 | X | + | 6300 | × | 1 | + | 6300 | × | 9 100 | − | 3856821 50 | ( | 1 | + | 9 100 | ) | − | ( | 819 50 | X | + | 6300 | ) | × | 21 625 | − | ( | 819 50 | X | + | 6300 | ) | × | 1 2000 | = | 0 |
89271 5000 | X | + | 6300 | + | 567 | − | 3856821 50 | ( | 1 | + | 9 100 | ) | − | ( | 819 50 | X | + | 6300 | ) | × | 21 625 | − | ( | 819 50 | X | + | 6300 | ) | × | 1 2000 | ( | 1 | + | 9 100 | ) | − | 14791 25 | = | 0 |
89271 5000 | X | + | 6867 | − | 3856821 50 | ( | 1 | + | 9 100 | ) | − | ( | 819 50 | X | + | 6300 | ) | × | 21 625 | − | ( | 819 50 | X | + | 6300 | ) | × | 1 2000 | ( | 1 | + | 9 100 | ) | − | 14791 25 | ( | 1 | + | 9 100 | ) | = | 0 |
89271 5000 | X | + | 6867 | − | 3856821 50 | × | 1 | − | 3856821 50 | × | 9 100 | − | ( | 819 50 | X | + | 6300 | ) | × | 21 625 | − | ( | 819 50 | X | + | 6300 | ) | × | 1 2000 | ( | 1 | + | 9 100 | ) | = | 0 |
89271 5000 | X | + | 6867 | − | 3856821 50 | − | 34711389 5000 | − | ( | 819 50 | X | + | 6300 | ) | × | 21 625 | − | ( | 819 50 | X | + | 6300 | ) | × | 1 2000 | ( | 1 | + | 9 100 | ) | − | 14791 25 | ( | 1 | + | 9 100 | ) | = | 0 |