| 1 | ÷ | 10 | × | ( | X | − | ( | X | − | 200 | − | ( | 100 | + | ( | X | − | 100 | ) | × | 1 | ÷ | 10 | ) | ) | × | 1 | ÷ | 10 | ) | = | 200 |
| Left side of the equation = | 1 10 | ( | X | − | ( | X | − | 200 | − | ( | 100 | + | ( | X | − | 100 | ) | × | 1 | ÷ | 10 | ) | ) | × | 1 | ÷ | 10 | ) |
1 10 | ( | X | − | ( | X | − | 200 | − | ( | 100 | + | ( | X | − | 100 | ) | × | 1 | ÷ | 10 | ) | ) | × | 1 | ÷ | 10 | ) | = | 200 |
| Left side of the equation = | 1 10 | X | − | 1 10 | ( | X | − | 200 | − | ( | 100 | + | ( | X | − | 100 | ) | × | 1 | ÷ | 10 | ) | ) | × | 1 | ÷ | 10 |
| = | 1 10 | X | − | 1 100 | ( | X | − | 200 | − | ( | 100 | + | ( | X | − | 100 | ) | × | 1 | ÷ | 10 | ) | ) |
| = | 1 10 | X | − | 1 100 | X | + | 1 100 | × | 200 | + | 1 100 | ( | 100 | + | ( | X | − | 100 | ) | × | 1 | ÷ | 10 | ) |
| = | 1 10 | X | − | 1 100 | X | + | 2 | + | 1 100 | ( | 100 | + | ( | X | − | 100 | ) | × | 1 | ÷ | 10 | ) |
| = | 9 100 | X | + | 2 | + | 1 100 | ( | 100 | + | ( | X | − | 100 | ) | × | 1 | ÷ | 10 | ) |
| = | 9 100 | X | + | 2 | + | 1 100 | × | 100 | + | 1 100 | ( | X | − | 100 | ) | × | 1 | ÷ | 10 |
| = | 9 100 | X | + | 2 | + | 1 | + | 1 1000 | ( | X | − | 100 | ) |
| = | 9 100 | X | + | 3 | + | 1 1000 | ( | X | − | 100 | ) |
| = | 9 100 | X | + | 3 | + | 1 1000 | X | − | 1 1000 | × | 100 |
| = | 9 100 | X | + | 3 | + | 1 1000 | X | − | 1 10 |
| = | 91 1000 | X | + | 29 10 |
91 1000 | X | + | 29 10 | = | 200 |
91 1000 | X | = | 200 | − | 29 10 |
91 1000 | X | = | 1971 10 |
| X | = | 1971 10 | ÷ | 91 1000 |
| = | 1971 10 | × | 1000 91 |
| = | 1971 | × | 100 91 |
| X | = | 197100 91 |
| X | = | 2165.934066 |