| ( | X | − | 5000 | − | 20251 20 | ) | × | 3 100 | = | X | − | 10000 | − | 20251 20 |
| Left side of the equation = | X | × | 3 100 | − | 5000 | × | 3 100 | − | 20251 20 | × | 3 100 |
| = | X | × | 3 100 | − | 150 | − | 60753 2000 |
| = | 3 100 | X | − | 360753 2000 |
3 100 | X | − | 360753 2000 | = | X | − | 10000 | − | 20251 20 |
| Right side of the equation = | X | − | 220251 20 |
3 100 | X | − | 360753 2000 | = | X | − | 220251 20 |
3 100 | X | − | X | = | - | 220251 20 | + | 360753 2000 |
| - | 97 100 | X | = | - | 220251 20 | + | 360753 2000 |
| - | 97 100 | X | = | - | 21664347 2000 |
21664347 2000 | = | 97 100 | X |
97 100 | X | = | 21664347 2000 |
| X | = | 21664347 2000 | ÷ | 97 100 |
| = | 21664347 2000 | × | 100 97 |
| = | 21664347 20 | × | 1 97 |
| X | = | 21664347 1940 |
| X | = | 11167.189175 |