| 350 | x | ÷ | ( | 100 | − | x | ) | = | 318 |
| Multiply both sides of the equation by: | ( | 100 | − | x | ) |
| 350 | x | = | 318 | ( | 100 | − | x | ) |
| 350 | x | = | 318 | × | 100 | − | 318 | x |
| 350 | x | = | 31800 | − | 318 | x |
| 350 | x | + | 318 | x | = | 31800 |
| 668 | x | = | 31800 |
| x | = | 31800 | ÷ | 668 |
| = | 31800 | × | 1 668 |
| = | 7950 | × | 1 167 |
| x | = | 7950 167 |
| x | = | 47.60479 |