2469 10000 | = | ( | 129 100 | ( | 1 | + | g | ) | ) | × | 5 | + | g |
| 方程右边 = | 129 100 | ( | 1 | + | g | ) | × | 5 | + | g |
| = | 129 20 | ( | 1 | + | g | ) | + | g |
| = | 129 20 | × | 1 | + | 129 20 | g | + | g |
| = | 129 20 | + | 129 20 | g | + | g |
| = | 129 20 | + | 149 20 | g |
2469 10000 | = | 129 20 | + | 149 20 | g |
| - | 149 20 | g | = | 129 20 | − | 2469 10000 |
| - | 149 20 | g | = | 62031 10000 |
| - | 62031 10000 | = | 149 20 | g |
149 20 | g | = | - | 62031 10000 |
| g | = | - | 62031 10000 | ÷ | 149 20 |
| = | - | 62031 10000 | × | 20 149 |
| = | - | 62031 500 | × | 1 149 |
| g | = | - | 62031 74500 |
| g | = | - 0.832631 |