| x | − | ( | ( | x | − | 79685115 | × | 1 5 | ) | ÷ | 79685115 | ) | × | 2 | × | 47811069 2 | − | x | × | 3 10 | = | 472539623 100 |
| Left side of the equation = | x | − | ( | ( | x | − | 79685115 | × | 1 5 | ) | ÷ | 79685115 | ) | × | 47811069 | − | x | × | 3 10 |
| = | 7 10 | x | − | ( | ( | x | − | 79685115 | × | 1 5 | ) | ÷ | 79685115 | ) | × | 47811069 |
7 10 | x | − | ( | ( | x | − | 79685115 | × | 1 5 | ) | ÷ | 79685115 | ) | × | 47811069 | = | 472539623 100 |
| Left side of the equation = | 7 10 | x | − | ( | x | − | 79685115 | × | 1 5 | ) | ÷ | 79685115 | × | 47811069 |
| = | 7 10 | x | − | ( | x | − | 79685115 | × | 1 5 | ) | × | 16413 27355 |
| = | 7 10 | x | − | x | × | 16413 27355 | + | 79685115 | × | 1 5 | × | 16413 27355 |