9 10 | × | 360 | × | 1963 | ( | x | − | 83 | ÷ | 2 | ) | + | 360 | × | 4418 | ( | 615 | − | 83 | ÷ | 2 | ) | + | 360 | × | 1963 | ( | 83 | ÷ | 2 | − | 25 | ) | = | 1490 |
| Left side of the equation = | 636012 | ( | x | − | 83 | ÷ | 2 | ) | + | 1590480 | ( | 615 | − | 83 | ÷ | 2 | ) | + | 706680 | ( | 83 | ÷ | 2 | − | 25 | ) |
| 636012 | ( | x | − | 83 | ÷ | 2 | ) | + | 1590480 | ( | 615 | − | 83 | ÷ | 2 | ) | + | 706680 | ( | 83 | ÷ | 2 | − | 25 | ) | = | 1490 |
| Left side of the equation = | 636012 | x | − | 636012 | × | 83 | ÷ | 2 | + | 1590480 | ( | 615 | − | 83 | ÷ | 2 | ) | + | 706680 | ( | 83 | ÷ | 2 | − | 25 | ) |
| = | 636012 | x | − | 26394498 | + | 1590480 | ( | 615 | − | 83 | ÷ | 2 | ) | + | 706680 | ( | 83 | ÷ | 2 | − | 25 | ) |
| = | 636012 | x | − | 26394498 | + | 1590480 | × | 615 | − | 1590480 | × | 83 | ÷ | 2 | + | 706680 | ( | 83 | ÷ | 2 | − | 25 | ) |
| = | 636012 | x | − | 26394498 | + | 978145200 | − | 66004920 | + | 706680 | ( | 83 | ÷ | 2 | − | 25 | ) |
| = | 636012 | x | + | 885745782 | + | 706680 | ( | 83 | ÷ | 2 | − | 25 | ) |
| = | 636012 | x | + | 885745782 | + | 706680 | × | 83 | ÷ | 2 | − | 706680 | × | 25 |
| = | 636012 | x | + | 885745782 | + | 29327220 | − | 17667000 |
| = | 636012 | x | + | 897406002 |
| 636012 | x | + | 897406002 | = | 1490 |
| 636012 | x | = | 1490 | − | 897406002 |
| 636012 | x | = | - | 897404512 |
| x | = | - | 897404512 | ÷ | 636012 |
| = | - | 897404512 | × | 1 636012 |
| = | - | 224351128 | × | 1 159003 |
| x | = | - | 224351128 159003 |
| x | = | - 1410.986761 |