| ( | 19 10 | x | + | 31023 1000 | × | 600 | ) | ÷ | x | + | 600 | = | 28 |
| 方程两边同时乘以: | x |
| ( | 19 10 | x | + | 31023 1000 | × | 600 | ) | + | 600 | x | = | 28 | x |
19 10 | x | + | 31023 1000 | × | 600 | + | 600 | x | = | 28 | x |
19 10 | x | + | 93069 5 | + | 600 | x | = | 28 | x |
6019 10 | x | + | 93069 5 | = | 28 | x |
6019 10 | x | − | 28 | x | = | - | 93069 5 |
5739 10 | x | = | - | 93069 5 |
| x | = | - | 93069 5 | ÷ | 5739 10 |
| = | - | 93069 5 | × | 10 5739 |
| = | - | 31023 | × | 2 1913 |
| x | = | - | 62046 1913 |
| x | = | - 32.433873 |