| - | 1647 2500 | x | + | 3 10 | × | 1 2 | + | 231 500 | ( | 1 2 | − | x | ) | = | 0 |
| Left side of the equation = | - | 1647 2500 | x | + | 3 20 | + | 231 500 | ( | 1 2 | − | x | ) |
| - | 1647 2500 | x | + | 3 20 | + | 231 500 | ( | 1 2 | − | x | ) | = | 0 |
| Left side of the equation = | - | 1647 2500 | x | + | 3 20 | + | 231 500 | × | 1 2 | − | 231 500 | x |
| = | - | 1647 2500 | x | + | 3 20 | + | 231 1000 | − | 231 500 | x |
| = | - | 1401 1250 | x | + | 381 1000 |
| - | 1401 1250 | x | + | 381 1000 | = | 0 |
| - | 1401 1250 | x | = | 0 | − | 381 1000 |
| - | 1401 1250 | x | = | - | 381 1000 |
381 1000 | = | 1401 1250 | x |
1401 1250 | x | = | 381 1000 |
| x | = | 381 1000 | ÷ | 1401 1250 |
| = | 381 1000 | × | 1250 1401 |
| = | 127 4 | × | 5 467 |
| x | = | 635 1868 |
| x | = | 0.339936 |