| 1013286 | + | 831600 | + | 4 | x | × | 385 | = | ( | 350 | − | x | ) | × | 4 | × | 385 | + | 1524600 |
| Left side of the equation = | 1013286 | + | 831600 | + | 1540 | x |
| = | 1844886 | + | 1540 | x |
| 1844886 | + | 1540 | x | = | ( | 350 | − | x | ) | × | 4 | × | 385 | + | 1524600 |
| Right side of the equation = | ( | 350 | − | x | ) | × | 1540 | + | 1524600 |
| 1844886 | + | 1540 | x | = | ( | 350 | − | x | ) | × | 1540 | + | 1524600 |
| Right side of the equation = | 350 | × | 1540 | − | x | × | 1540 | + | 1524600 |
| = | 539000 | − | x | × | 1540 | + | 1524600 |
| = | 2063600 | − | 1540 | x |
| 1844886 | + | 1540 | x | = | 2063600 | − | 1540 | x |
| 1540 | x | + | 1540 | x | = | 2063600 | − | 1844886 |
| 3080 | x | = | 2063600 | − | 1844886 |
| 3080 | x | = | 218714 |
| x | = | 218714 | ÷ | 3080 |
| = | 218714 | × | 1 3080 |
| = | 109357 | × | 1 1540 |
| x | = | 109357 1540 |
| x | = | 71.011039 |