| ( | ( | X | − | 2645254949 100 | ) | ÷ | 117 100 | × | 29 25 | − | 300000 | ) | ÷ | 29 25 | × | 113 100 | = | 31770000 |
| Left side of the equation = | ( | ( | X | − | 2645254949 100 | ) | ÷ | 117 100 | × | 29 25 | − | 300000 | ) | × | 113 116 |
| ( | ( | X | − | 2645254949 100 | ) | ÷ | 117 100 | × | 29 25 | − | 300000 | ) | × | 113 116 | = | 31770000 |
| Left side of the equation = | ( | X | − | 2645254949 100 | ) | ÷ | 117 100 | × | 29 25 | × | 113 116 | − | 300000 | × | 113 116 |
| = | ( | X | − | 2645254949 100 | ) | × | 113 117 | − | 8475000 29 |
| = | X | × | 113 117 | − | 2645254949 100 | × | 113 117 | − | 8475000 29 |