19 250 | = | 20073 20 | × | 713 1000 | + | 1000 | X | × | 20501 5000 |
| 方程右边 = | 14312049 20000 | + | 20501 5 | X |
19 250 | = | 14312049 20000 | + | 20501 5 | X |
| - | 20501 5 | X | = | 14312049 20000 | − | 19 250 |
| - | 20501 5 | X | = | 14310529 20000 |
| - | 14310529 20000 | = | 20501 5 | X |
20501 5 | X | = | - | 14310529 20000 |
| X | = | - | 14310529 20000 | ÷ | 20501 5 |
| = | - | 14310529 20000 | × | 5 20501 |
| = | - | 14310529 4000 | × | 1 20501 |
| X | = | - | 14310529 82004000 |
| X | = | - 0.17451 |