X | = | ( | 516921 25 | + | ( | 665000 | X | ) | − | ( | 516921 25 | + | ( | 665000 | X | ) | ÷ | 930000 | ) | × | 665000 | + | 1238893 20 | ) | ÷ | 552602 |
方程右边 = | 516921 25 | × | 1 552602 | + | ( | 665000 | X | ) | × | 1 552602 | − | ( | 516921 25 | + | ( | 665000 | X | ) | ÷ | 930000 | ) | × | 665000 | × | 1 552602 | + | 1238893 20 | × | 1 552602 |
= | 516921 13815050 | + | ( | 665000 | X | ) | × | 1 552602 | − | ( | 516921 25 | + | ( | 665000 | X | ) | ÷ | 930000 | ) | × | 332500 276301 | + | 1238893 11052040 |