| x | ÷ | 131 | + | 33 2 | ÷ | 87 | − | 1 10 | = | 19 10000 | ( | 233 2 | + | x | ) |
| 方程左边 = | x | × | 1 131 | + | 11 58 | − | 1 10 |
| = | 1 131 | x | + | 13 145 |
1 131 | x | + | 13 145 | = | 19 10000 | ( | 233 2 | + | x | ) |
| 方程右边 = | 19 10000 | × | 233 2 | + | 19 10000 | x |
| = | 4427 20000 | + | 19 10000 | x |
1 131 | x | + | 13 145 | = | 4427 20000 | + | 19 10000 | x |
1 131 | x | − | 19 10000 | x | = | 4427 20000 | − | 13 145 |
7511 1310000 | x | = | 4427 20000 | − | 13 145 |
7511 1310000 | x | = | 76383 580000 |
| x | = | 76383 580000 | ÷ | 7511 1310000 |
| = | 76383 580000 | × | 1310000 7511 |
| = | 76383 58 | × | 131 7511 |
| x | = | 10006173 435638 |
| x | = | 22.969009 |