| 42 | x | × | 17 20 | + | 3 20 | × | 15 | x | = | 14288 | × | 53 100 |
| Left side of the equation = | 357 10 | x | + | 9 4 | x |
| = | 759 20 | x |
759 20 | x | = | 14288 | × | 53 100 |
| Right side of the equation = | 189316 25 |
759 20 | x | = | 189316 25 |
| x | = | 189316 25 | ÷ | 759 20 |
| = | 189316 25 | × | 20 759 |
| = | 189316 5 | × | 4 759 |
| x | = | 757264 3795 |
| x | = | 199.542556 |