| 103 | × | 47 100 | + | x | = | ( | 250 | + | x | ) | × | 50 100 |
| 方程左边 = | 4841 100 | + | x |
4841 100 | + | x | = | ( | 250 | + | x | ) | × | 50 100 |
| 方程右边 = | 250 | × | 50 100 | + | x | × | 50 100 |
| = | 125 | + | x | × | 50 100 |
4841 100 | + | x | = | 125 | + | 50 100 | x |
| x | − | 50 100 | x | = | 125 | − | 4841 100 |
1 2 | x | = | 125 | − | 4841 100 |
1 2 | x | = | 7659 100 |
| x | = | 7659 100 | ÷ | 1 2 |
| = | 7659 100 | × | 2 |
| = | 7659 50 | × | 1 |
| x | = | 7659 50 |
| x | = | 153.18 |