| x | − | x | × | 5 100 | − | ( | x | + | 647000 | ) | × | 3 10000 | = | 647000 |
| Left side of the equation = | 19 20 | x | − | ( | x | + | 647000 | ) | × | 3 10000 |
19 20 | x | − | ( | x | + | 647000 | ) | × | 3 10000 | = | 647000 |
| Left side of the equation = | 19 20 | x | − | x | × | 3 10000 | − | 647000 | × | 3 10000 |
| = | 19 20 | x | − | x | × | 3 10000 | − | 1941 10 |
| = | 9497 10000 | x | − | 1941 10 |
9497 10000 | x | − | 1941 10 | = | 647000 |
9497 10000 | x | = | 647000 | + | 1941 10 |
9497 10000 | x | = | 6471941 10 |
| x | = | 6471941 10 | ÷ | 9497 10000 |
| = | 6471941 10 | × | 10000 9497 |
| = | 6471941 | × | 1000 9497 |
| x | = | 6471941000 9497 |
| x | = | 681472.1491 |