| 0 | = | X | ( | 112 100 | − | 36 100 | ) | − | 160 | − | ( | 500 | + | X | ) | × | 8 100 | ( | 1 | − | 50 100 | ) |
| Right side of the equation = | X | × | 112 100 | − | X | × | 36 100 | − | 160 | − | ( | 500 | + | X | ) | × | 8 100 | ( | 1 | − | 50 100 | ) |
| = | 19 25 | X | − | 160 | − | ( | 500 | + | X | ) | × | 8 100 | ( | 1 | − | 50 100 | ) |
| = | 19 25 | X | − | 160 | − | 500 | × | 8 100 | ( | 1 | − | 50 100 | ) | − | X | × | 8 100 | ( | 1 | − | 50 100 | ) |
| = | 19 25 | X | − | 160 | − | 40 | ( | 1 | − | 50 100 | ) | − | X | × | 8 100 | ( | 1 | − | 50 100 | ) |
| = | 19 25 | X | − | 160 | − | 40 | × | 1 | + | 40 | × | 50 100 | − | X | × | 8 100 | ( | 1 | − | 50 100 | ) |
| = | 19 25 | X | − | 160 | − | 40 | + | 20 | − | X | × | 8 100 | ( | 1 | − | 50 100 | ) |
| = | 19 25 | X | − | 180 | − | X | × | 8 100 | ( | 1 | − | 50 100 | ) |
| = | 19 25 | X | − | 180 | − | X | × | 8 100 | × | 1 | + | X | × | 8 100 | × | 50 100 |
| = | 19 25 | X | − | 180 | − | X | × | 2 25 | + | X | × | 1 25 |
| = | 18 25 | X | − | 180 |
| 0 | = | 18 25 | X | − | 180 |
| - | 18 25 | X | = | - | 180 | − | 0 |
| - | 18 25 | X | = | - | 180 |
| 180 | = | 18 25 | X |
18 25 | X | = | 180 |
| X | = | 180 | ÷ | 18 25 |
| = | 180 | × | 25 18 |
| = | 10 | × | 25 |
| X | = | 250 |