| x | × | 205 | + | x | × | 21 25 | × | 235 | + | x | × | 19 25 | × | 235 | + | x | × | 548 | + | x | × | 590 | = | 783500 |
| Left side of the equation = | x | × | 205 | + | x | × | 987 5 | + | x | × | 893 5 | + | x | × | 548 | + | x | × | 2478 5 | + | x | × | 2223 5 |
| = | 55293 20 | x |
55293 20 | x | = | 783500 |
| x | = | 783500 | ÷ | 55293 20 |
| = | 783500 | × | 20 55293 |
| x | = | 15670000 55293 |
| x | = | 283.399345 |