| ( | 13163 500 | + | x | ) | × | 43 20 | = | 35639 500 | + | 13163 250 | − | x |
| Left side of the equation = | 13163 500 | × | 43 20 | + | x | × | 43 20 |
| = | 566009 10000 | + | x | × | 43 20 |
566009 10000 | + | 43 20 | x | = | 35639 500 | + | 13163 250 | − | x |
| Right side of the equation = | 12393 100 | − | x |
566009 10000 | + | 43 20 | x | = | 12393 100 | − | x |
43 20 | x | + | x | = | 12393 100 | − | 566009 10000 |
63 20 | x | = | 12393 100 | − | 566009 10000 |
63 20 | x | = | 673291 10000 |
| x | = | 673291 10000 | ÷ | 63 20 |
| = | 673291 10000 | × | 20 63 |
| = | 673291 500 | × | 1 63 |
| x | = | 673291 31500 |
| x | = | 21.374317 |