| ( | 13137 500 | + | x | ) | × | 39 20 | = | 52549 1000 | + | 71123 1000 | − | x |
| Left side of the equation = | 13137 500 | × | 39 20 | + | x | × | 39 20 |
| = | 512343 10000 | + | x | × | 39 20 |
512343 10000 | + | 39 20 | x | = | 52549 1000 | + | 71123 1000 | − | x |
| Right side of the equation = | 15459 125 | − | x |
512343 10000 | + | 39 20 | x | = | 15459 125 | − | x |
39 20 | x | + | x | = | 15459 125 | − | 512343 10000 |
59 20 | x | = | 15459 125 | − | 512343 10000 |
59 20 | x | = | 724377 10000 |
| x | = | 724377 10000 | ÷ | 59 20 |
| = | 724377 10000 | × | 20 59 |
| = | 724377 500 | × | 1 59 |
| x | = | 724377 29500 |
| x | = | 24.555153 |