288 5 | x | + | 144 5 | ( | 4886 | − | x | ) | = | 139391 6250 |
| 方程左边 = | 288 5 | x | + | 144 5 | × | 4886 | − | 144 5 | x |
| = | 288 5 | x | + | 703584 5 | − | 144 5 | x |
| = | 144 5 | x | + | 703584 5 |
144 5 | x | + | 703584 5 | = | 139391 6250 |
144 5 | x | = | 139391 6250 | − | 703584 5 |
144 5 | x | = | - | 879340609 6250 |
| x | = | - | 879340609 6250 | ÷ | 144 5 |
| = | - | 879340609 6250 | × | 5 144 |
| = | - | 879340609 1250 | × | 1 144 |
| x | = | - | 879340609 180000 |
| x | = | - 4885.225606 |