251 50 | = | ( | 13 5 | u | ) | ÷ | ( | u | − | 13 5 | ) |
| Multiply both sides of the equation by: | ( | u | − | 13 5 | ) |
251 50 | ( | u | − | 13 5 | ) | = | ( | 13 5 | u | ) |
251 50 | u | − | 251 50 | × | 13 5 | = | ( | 13 5 | u | ) |
251 50 | u | − | 251 50 | × | 13 5 | = | 13 5 | u |
251 50 | u | − | 3263 250 | = | 13 5 | u |
251 50 | u | − | 13 5 | u | = | 3263 250 |
121 50 | u | = | 3263 250 |
| u | = | 3263 250 | ÷ | 121 50 |
| = | 3263 250 | × | 50 121 |
| = | 3263 5 | × | 1 121 |
| u | = | 3263 605 |
| u | = | 5.393388 |