| X | + | 3 | + | 19 | + | 10 100 | X | + | ( | X | + | 10 100 | X | ) | × | 13 100 | = | 1660 |
| Left side of the equation = | 11 10 | X | + | 22 | + | ( | X | + | 10 100 | X | ) | × | 13 100 |
11 10 | X | + | 22 | + | ( | X | + | 10 100 | X | ) | × | 13 100 | = | 1660 |
| Left side of the equation = | 11 10 | X | + | 22 | + | X | × | 13 100 | + | 10 100 | X | × | 13 100 |
| = | 11 10 | X | + | 22 | + | X | × | 13 100 | + | 13 1000 | X |
| = | 1243 1000 | X | + | 22 |
1243 1000 | X | + | 22 | = | 1660 |
1243 1000 | X | = | 1660 | − | 22 |
1243 1000 | X | = | 1638 |
| X | = | 1638 | ÷ | 1243 1000 |
| = | 1638 | × | 1000 1243 |
| X | = | 1638000 1243 |
| X | = | 1317.779566 |