( | ( | 422611 100 | + | 6573 100 | − | X | − | 613993 100 | ) | ÷ | 613993 100 | ) | × | 1 2 | = | ( | ( | 166851 100 | + | 6499 100 | + | X | ) | − | 371613 100 | ) | ÷ | 371613 100 |
Left side of the equation = | ( | 422611 100 | + | 6573 100 | − | X | − | 613993 100 | ) | ÷ | 613993 100 | × | 1 2 |
= | ( | 422611 100 | + | 6573 100 | − | X | − | 613993 100 | ) | × | 50 613993 |
= | 422611 100 | × | 50 613993 | + | 6573 100 | × | 50 613993 | − | X | × | 50 613993 | − | 613993 100 | × | 50 613993 |
= | 422611 1227986 | + | 6573 1227986 | − | X | × | 50 613993 | − | 613993 1227986 |