| ( | y | − | 99873 5 | − | 683 100 | − | 35 | − | 1 2000 | y | ) | × | 1 4 | + | 1 2000 | y | + | 21193 | = | y |
| Left side of the equation = | y | × | 1 4 | − | 99873 5 | × | 1 4 | − | 683 100 | × | 1 4 | − | 35 | × | 1 4 | − | 1 2000 | y | × | 1 4 | + | 1 2000 |
| = | y | × | 1 4 | − | 99873 20 | − | 683 400 | − | 35 4 | − | 1 8000 | y | + | 1 2000 | y | + | 21193 |
| = | 2003 8000 | y | + | 6475557 400 |
2003 8000 | y | + | 6475557 400 | = | y |
2003 8000 | y | − | y | = | - | 6475557 400 |
| - | 5997 8000 | y | = | - | 6475557 400 |
6475557 400 | = | 5997 8000 | y |
5997 8000 | y | = | 6475557 400 |
| y | = | 6475557 400 | ÷ | 5997 8000 |
| = | 6475557 400 | × | 8000 5997 |
| = | 2158519 | × | 20 1999 |
| y | = | 43170380 1999 |
| y | = | 21595.987994 |