86417051 50 | = | ( | X | × | 13 100 | ) | ÷ | 113 100 | + | ( | ( | 7135353 50 | − | X | ) | × | 6 100 | ) | ÷ | 53 50 |
方程右边 = | X | × | 13 100 | × | 100 113 | + | ( | ( | 7135353 50 | − | X | ) | × | 6 100 | ) | × | 50 53 |
= | X | × | 13 113 | + | ( | ( | 7135353 50 | − | X | ) | × | 6 100 | ) | × | 50 53 |
= | 13 113 | X | + | ( | 7135353 50 | − | X | ) | × | 6 100 | × | 50 53 |
= | 13 113 | X | + | ( | 7135353 50 | − | X | ) | × | 3 53 |
= | 13 113 | X | + | 7135353 50 | × | 3 53 | − | X | × | 3 53 |
= | 13 113 | X | + | 21406059 2650 | − | X | × | 3 53 |
= | 350 5989 | X | + | 21406059 2650 |
86417051 50 | = | 350 5989 | X | + | 21406059 2650 |
- | 350 5989 | X | = | 21406059 2650 | − | 86417051 50 |