| 682500 | + | 1013286 | + | 831600 | + | 8 | x | × | 385 | = | ( | 350 | − | x | ) | × | 8 | × | 385 | + | 1524600 |
| Left side of the equation = | 682500 | + | 1013286 | + | 831600 | + | 3080 | x |
| = | 2527386 | + | 3080 | x |
| 2527386 | + | 3080 | x | = | ( | 350 | − | x | ) | × | 8 | × | 385 | + | 1524600 |
| Right side of the equation = | ( | 350 | − | x | ) | × | 3080 | + | 1524600 |
| 2527386 | + | 3080 | x | = | ( | 350 | − | x | ) | × | 3080 | + | 1524600 |
| Right side of the equation = | 350 | × | 3080 | − | x | × | 3080 | + | 1524600 |
| = | 1078000 | − | x | × | 3080 | + | 1524600 |
| = | 2602600 | − | 3080 | x |
| 2527386 | + | 3080 | x | = | 2602600 | − | 3080 | x |
| 3080 | x | + | 3080 | x | = | 2602600 | − | 2527386 |
| 6160 | x | = | 2602600 | − | 2527386 |
| 6160 | x | = | 75214 |
| x | = | 75214 | ÷ | 6160 |
| = | 75214 | × | 1 6160 |
| = | 37607 | × | 1 3080 |
| x | = | 37607 3080 |
| x | = | 12.210065 |