| 20 | × | 17523 50 | x | × | 30 | = | 30 | × | 15309 50 | − | 20 | × | 17523 50 |
| Left side of the equation = | 210276 | x |
| 210276 | x | = | 30 | × | 15309 50 | − | 20 | × | 17523 50 |
| Right side of the equation = | 45927 5 | − | 35046 5 |
| = | 10881 5 |
| 210276 | x | = | 10881 5 |
| x | = | 10881 5 | ÷ | 210276 |
| = | 10881 5 | × | 1 210276 |
| = | 403 5 | × | 1 7788 |
| x | = | 403 38940 |
| x | = | 0.010349 |