| ( | X | − | 4500 | ) | ÷ | 113 100 | × | 13 100 | = | 6 500 | X | ÷ | 113 100 |
| Left side of the equation = | ( | X | − | 4500 | ) | × | 13 113 |
| ( | X | − | 4500 | ) | × | 13 113 | = | 6 500 | X | ÷ | 113 100 |
| Left side of the equation = | X | × | 13 113 | − | 4500 | × | 13 113 |
| = | X | × | 13 113 | − | 58500 113 |
13 113 | X | − | 58500 113 | = | 6 500 | X | ÷ | 113 100 |
| Right side of the equation = | 6 565 | X |
13 113 | X | − | 58500 113 | = | 6 565 | X |
13 113 | X | − | 6 565 | X | = | 58500 113 |
6667 63845 | X | = | 58500 113 |
| X | = | 58500 113 | ÷ | 6667 63845 |
| = | 58500 113 | × | 63845 6667 |
| X | = | 3734932500 753371 |
| X | = | 33052500 6667 |
| X | = | 4957.627119 |