| ( | 45 | x | + | 75 | x | ) | ÷ | 2 | + | ( | ( | ( | 75 | x | ) | − | ( | 45 | x | + | 75 | x | ) | ÷ | 2 | ) | × | 3 4 | ) | = | 28294451 25 |
| Left side of the equation = | 45 | x | × | 1 2 | + | 75 | x | × | 1 2 | + | ( | ( | ( | 75 | x | ) | − | ( | 45 | x | + | 75 | x | ) | ÷ | 2 | ) | × | 3 4 | ) |
| = | 45 2 | x | + | 75 2 | x | + | ( | ( | ( | 75 | x | ) | − | ( | 45 | x | + | 75 | x | ) | ÷ | 2 | ) | × | 3 4 | ) |
| = | 60 | x | + | ( | ( | ( | 75 | x | ) | − | ( | 45 | x | + | 75 | x | ) | ÷ | 2 | ) | × | 3 4 | ) |
| = | 60 | x | + | ( | ( | 75 | x | ) | − | ( | 45 | x | + | 75 | x | ) | ÷ | 2 | ) | × | 3 4 |
| = | 60 | x | + | ( | 75 | x | ) | × | 3 4 | − | ( | 45 | x | + | 75 | x | ) | ÷ | 2 | × | 3 4 |
| = | 60 | x | + | ( | 75 | x | ) | × | 3 4 | − | ( | 45 | x | + | 75 | x | ) | × | 3 8 |
| = | 60 | x | + | 75 | x | × | 3 4 | − | ( | 45 | x | + | 75 | x | ) | × | 3 8 |
| = | 60 | x | + | 225 4 | x | − | ( | 45 | x | + | 75 | x | ) | × | 3 8 |
| = | 465 4 | x | − | ( | 45 | x | + | 75 | x | ) | × | 3 8 |
| = | 465 4 | x | − | 45 | x | × | 3 8 | − | 75 | x | × | 3 8 |
| = | 465 4 | x | − | 135 8 | x | − | 225 8 | x |
| = | 285 4 | x |
285 4 | x | = | 28294451 25 |
| x | = | 28294451 25 | ÷ | 285 4 |
| = | 28294451 25 | × | 4 285 |
| x | = | 113177804 7125 |
| x | = | 15884.60407 |