| x | ÷ | 103 100 | × | 339 10000 | + | x | × | 3 200 | + | 621300 | = | x |
| Left side of the equation = | x | × | 339 10300 | + | x | × | 3 200 | + | 621300 |
| = | 987 20600 | x | + | 621300 |
987 20600 | x | + | 621300 | = | x |
987 20600 | x | − | x | = | - | 621300 |
| - | 19613 20600 | x | = | - | 621300 |
| 621300 | = | 19613 20600 | x |
19613 20600 | x | = | 621300 |
| x | = | 621300 | ÷ | 19613 20600 |
| = | 621300 | × | 20600 19613 |
| x | = | 12798780000 19613 |