| 37500 | + | ( | x | ÷ | 447 10 | ) | × | 13 4 | = | 28500 | + | ( | x | ÷ | 28 | ) | × | 13 4 |
| Left side of the equation = | 37500 | + | x | ÷ | 447 10 | × | 13 4 |
| = | 37500 | + | x | × | 65 894 |
| 37500 | + | 65 894 | x | = | 28500 | + | ( | x | ÷ | 28 | ) | × | 13 4 |
| Right side of the equation = | 28500 | + | x | ÷ | 28 | × | 13 4 |
| = | 28500 | + | x | × | 13 112 |
| 37500 | + | 65 894 | x | = | 28500 | + | 13 112 | x |
65 894 | x | − | 13 112 | x | = | 28500 | − | 37500 |
| - | 2171 50064 | x | = | 28500 | − | 37500 |
| - | 2171 50064 | x | = | - | 9000 |
| 9000 | = | 2171 50064 | x |
2171 50064 | x | = | 9000 |
| x | = | 9000 | ÷ | 2171 50064 |
| = | 9000 | × | 50064 2171 |
| x | = | 450576000 2171 |
| x | = | 207543.067711 |