| X | ÷ | 144 | + | 14 | ÷ | 87 | − | 9 200 | − | 2 | ÷ | 224 5 | = | 3 2000 | ( | 46 | + | X | ) |
| 方程左边 = | X | × | 1 144 | + | 14 87 | − | 9 200 | − | 5 112 |
| = | 1 144 | X | + | 17363 243600 |
1 144 | X | + | 17363 243600 | = | 3 2000 | ( | 46 | + | X | ) |
| 方程右边 = | 3 2000 | × | 46 | + | 3 2000 | X |
| = | 69 1000 | + | 3 2000 | X |
1 144 | X | + | 17363 243600 | = | 69 1000 | + | 3 2000 | X |
1 144 | X | − | 3 2000 | X | = | 69 1000 | − | 17363 243600 |
49 9000 | X | = | 69 1000 | − | 17363 243600 |
49 9000 | X | = | - | 2773 1218000 |
| X | = | - | 2773 1218000 | ÷ | 49 9000 |
| = | - | 2773 1218000 | × | 9000 49 |
| = | - | 2773 406 | × | 3 49 |
| X | = | - | 8319 19894 |
| X | = | - 0.418166 |