| X | ÷ | 135 | − | 4 | ÷ | 340 | − | 10 | ÷ | 500 | = | 119 50000 | ( | X | + | 14 | ) |
| 方程左边 = | X | × | 1 135 | − | 1 85 | − | 1 50 |
| = | 1 135 | X | − | 27 850 |
1 135 | X | − | 27 850 | = | 119 50000 | ( | X | + | 14 | ) |
| 方程右边 = | 119 50000 | X | + | 119 50000 | × | 14 |
| = | 119 50000 | X | + | 833 25000 |
1 135 | X | − | 27 850 | = | 119 50000 | X | + | 833 25000 |
1 135 | X | − | 119 50000 | X | = | 833 25000 | + | 27 850 |
6787 1350000 | X | = | 833 25000 | + | 27 850 |
6787 1350000 | X | = | 27661 425000 |
| X | = | 27661 425000 | ÷ | 6787 1350000 |
| = | 27661 425000 | × | 1350000 6787 |
| = | 27661 17 | × | 54 6787 |
| X | = | 1493694 115379 |
| X | = | 12.945978 |