| 86 | × | 7700 | + | 200000 | + | 1000000 | + | 494 | x | + | 100 | ( | 3480 | + | x | ) | + | 300000 | = | 9289200 |
| Left side of the equation = | 662200 | + | 200000 | + | 1000000 | + | 494 | x | + | 100 | ( | 3480 | + | x | ) | + | 300000 |
| = | 2162200 | + | 494 | x | + | 100 | ( | 3480 | + | x | ) |
| 2162200 | + | 494 | x | + | 100 | ( | 3480 | + | x | ) | = | 9289200 |
| Left side of the equation = | 2162200 | + | 494 | x | + | 100 | × | 3480 | + | 100 | x |
| = | 2162200 | + | 494 | x | + | 348000 | + | 100 | x |
| = | 2510200 | + | 594 | x |
| 2510200 | + | 594 | x | = | 9289200 |
| 594 | x | = | 9289200 | − | 2510200 |
| 594 | x | = | 6779000 |
| x | = | 6779000 | ÷ | 594 |
| = | 6779000 | × | 1 594 |
| = | 3389500 | × | 1 297 |
| x | = | 3389500 297 |
| x | = | 11412.457912 |