| x | × | 21883 20 | ÷ | ( | x | + | 21883 20 | ) | = | 13 10 |
| Multiply both sides of the equation by: | ( | x | + | 21883 20 | ) |
| x | × | 21883 20 | = | 13 10 | ( | x | + | 21883 20 | ) |
| x | × | 21883 20 | = | 13 10 | x | + | 13 10 | × | 21883 20 |
| x | × | 21883 20 | = | 13 10 | x | + | 284479 200 |
21883 20 | x | − | 13 10 | x | = | 284479 200 |
21857 20 | x | = | 284479 200 |
| x | = | 284479 200 | ÷ | 21857 20 |
| = | 284479 200 | × | 20 21857 |
| = | 284479 10 | × | 1 21857 |
| x | = | 284479 218570 |
| x | = | 1.301546 |