| 4 | w | + | 1667 100 | ( | 1 | − | w | ) | = | 10 |
| 方程左边 = | 4 | w | + | 1667 100 | × | 1 | − | 1667 100 | w |
| = | 4 | w | + | 1667 100 | − | 1667 100 | w |
| = | - | 1267 100 | w | + | 1667 100 |
| - | 1267 100 | w | + | 1667 100 | = | 10 |
| - | 1267 100 | w | = | 10 | − | 1667 100 |
| - | 1267 100 | w | = | - | 667 100 |
667 100 | = | 1267 100 | w |
1267 100 | w | = | 667 100 |
| w | = | 667 100 | ÷ | 1267 100 |
| = | 667 100 | × | 100 1267 |
| = | 667 | × | 1 1267 |
| w | = | 667 1267 |
| w | = | 0.52644 |