| 2 | ÷ | ( | 1 | + | y | ) | = | 1994907 1000000 |
| 方程两边同时乘以: | ( | 1 | + | y | ) |
| 2 | = | 1994907 1000000 | ( | 1 | + | y | ) |
| 2 | = | 1994907 1000000 | × | 1 | + | 1994907 1000000 | y |
| 2 | = | 1994907 1000000 | + | 1994907 1000000 | y |
| - | 1994907 1000000 | y | = | 1994907 1000000 | − | 2 |
| - | 1994907 1000000 | y | = | - | 5093 1000000 |
5093 1000000 | = | 1994907 1000000 | y |
1994907 1000000 | y | = | 5093 1000000 |
| y | = | 5093 1000000 | ÷ | 1994907 1000000 |
| = | 5093 1000000 | × | 1000000 1994907 |
| = | 5093 | × | 1 1994907 |
| y | = | 5093 1994907 |
| y | = | 0.002553 |