| ( | 6059 | − | X | − | 4042 | ) | ÷ | 4042 | × | 85 100 | = | ( | 1935 | + | X | − | 3115 | ) | ÷ | 3115 |
| 方程左边 = | ( | 6059 | − | X | − | 4042 | ) | × | 17 80840 |
| ( | 6059 | − | X | − | 4042 | ) | × | 17 80840 | = | ( | 1935 | + | X | − | 3115 | ) | ÷ | 3115 |
| 方程左边 = | 6059 | × | 17 80840 | − | X | × | 17 80840 | − | 4042 | × | 17 80840 |
| = | 103003 80840 | − | X | × | 17 80840 | − | 17 20 |
| = | 34289 80840 | − | 17 80840 | X |
34289 80840 | − | 17 80840 | X | = | ( | 1935 | + | X | − | 3115 | ) | ÷ | 3115 |
| 方程右边 = | 1935 | × | 1 3115 | + | X | × | 1 3115 | − | 3115 | × | 1 3115 |
| = | 387 623 | + | X | × | 1 3115 | − | 1 |
| = | - | 236 623 | + | 1 3115 | X |
34289 80840 | − | 17 80840 | X | = | - | 236 623 | + | 1 3115 | X |
| - | 17 80840 | X | − | 1 3115 | X | = | - | 236 623 | − | 34289 80840 |
| - | 26759 50363320 | X | = | - | 236 623 | − | 34289 80840 |
| - | 26759 50363320 | X | = | - | 40440287 50363320 |
40440287 50363320 | = | 26759 50363320 | X |
26759 50363320 | X | = | 40440287 50363320 |
| X | = | 40440287 50363320 | ÷ | 26759 50363320 |
| = | 40440287 50363320 | × | 50363320 26759 |
| = | 40440287 | × | 1 26759 |
| X | = | 40440287 26759 |
| X | = | 1511.277963 |