X | − | 16863 25 | − | ( | ( | X | − | 16863 25 | − | 15000 | ) | × | 10 100 | − | 2520 | ) | = | 1750931 25 |
方程左边 = | X | − | 16863 25 | − | ( | X | − | 16863 25 | − | 15000 | ) | × | 10 100 | + | 2520 |
= | X | + | 46137 25 | − | ( | X | − | 16863 25 | − | 15000 | ) | × | 10 100 |
= | X | + | 46137 25 | − | X | × | 10 100 | + | 16863 25 | × | 10 100 | + | 15000 | × | 10 100 |
= | X | + | 46137 25 | − | X | × | 10 100 | + | 16863 250 | + | 1500 |
= | 9 10 | X | + | 853233 250 |
9 10 | X | + | 853233 250 | = | 1750931 25 |
9 10 | X | = | 1750931 25 | − | 853233 250 |
9 10 | X | = | 16656077 250 |
X | = | 16656077 250 | ÷ | 9 10 |
= | 16656077 250 | × | 10 9 |
= | 16656077 25 | × | 1 9 |
X | = | 16656077 225 |
X | = | 74027.008889 |