| x | × | 4033 10 | + | ( | 13 2 | − | x | ) | × | 4243 10 | = | 2179 10 | × | 13 2 | + | 122863 200 |
| 方程左边 = | 4033 10 | x | + | 13 2 | × | 4243 10 | − | x | × | 4243 10 |
| = | 4033 10 | x | + | 55159 20 | − | x | × | 4243 10 |
| = | - | 21 | x | + | 55159 20 |
| - | 21 | x | + | 55159 20 | = | 2179 10 | × | 13 2 | + | 122863 200 |
| 方程右边 = | 28327 20 | + | 122863 200 |
| = | 406133 200 |
| - | 21 | x | + | 55159 20 | = | 406133 200 |
| - | 21 | x | = | 406133 200 | − | 55159 20 |
| - | 21 | x | = | - | 145457 200 |
145457 200 | = | 21 | x |
| 21 | x | = | 145457 200 |
| x | = | 145457 200 | ÷ | 21 |
| = | 145457 200 | × | 1 21 |
| x | = | 145457 4200 |
| x | = | 34.632619 |