| ( | ( | 5531 100 | + | x | ) | × | 213 200 | − | x | ) | × | 1 50 | = | x |
| Left side of the equation = | ( | 5531 100 | + | x | ) | × | 213 200 | × | 1 50 | − | x | × | 1 50 |
| = | ( | 5531 100 | + | x | ) | × | 213 10000 | − | x | × | 1 50 |
| = | 5531 100 | × | 213 10000 | + | x | × | 213 10000 | − | 1 50 | x |
| = | 1178103 1000000 | + | x | × | 213 10000 | − | 1 50 | x |
| = | 1178103 1000000 | + | 13 10000 | x |
1178103 1000000 | + | 13 10000 | x | = | x |
13 10000 | x | − | x | = | - | 1178103 1000000 |
| - | 9987 10000 | x | = | - | 1178103 1000000 |
1178103 1000000 | = | 9987 10000 | x |
9987 10000 | x | = | 1178103 1000000 |
| x | = | 1178103 1000000 | ÷ | 9987 10000 |
| = | 1178103 1000000 | × | 10000 9987 |
| = | 392701 100 | × | 1 3329 |
| x | = | 392701 332900 |
| x | = | 1.179637 |