| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 20 | ÷ | ( | 1 | + | x | ) | = | 11 |
| Multiply both sides of the equation by: | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 20 | ÷ | ( | 1 | + | x | ) | − | 70 | ( | 1 | + | x | ) | = | 11 | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 20 | ÷ | ( | 1 | + | x | ) | − | 70 | × | 1 | = | 11 | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 20 | ÷ | ( | 1 | + | x | ) | − | 70 | × | 1 | = | 11 | × | 1 | + | 11 | x |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 20 | ÷ | ( | 1 | + | x | ) | − | 70 | − | 70 | = | 11 | + | 11 | x |
| Multiply both sides of the equation by: | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | ÷ | ( | 1 | + | x | ) | + | 20 | − | 70 | ( | 1 | + | x | ) | − | 70 | x | ( | 1 | + | x | ) | = | 11 | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | ÷ | ( | 1 | + | x | ) | + | 20 | − | 70 | × | 1 | − | 70 | x | − | 70 | = | 11 | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | ÷ | ( | 1 | + | x | ) | + | 20 | − | 70 | × | 1 | − | 70 | x | − | 70 | = | 11 | × | 1 | + | 11 | x | + | 11 | x | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | ÷ | ( | 1 | + | x | ) | + | 20 | − | 70 | − | 70 | x | − | 70 | x | = | 11 | + | 11 | x | + | 11 | x | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | ÷ | ( | 1 | + | x | ) | − | 50 | − | 70 | x | − | 70 | x | ( | 1 | + | x | ) | = | 11 | + | 11 | x | + | 11 | x | ( | 1 | + | x | ) |
| Multiply both sides of the equation by: | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | − | 50 | ( | 1 | + | x | ) | − | 70 | x | ( | 1 | + | x | ) | − | 70 | x | ( | 1 | + | x | ) | = | 11 | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | − | 50 | × | 1 | − | 50 | x | − | 70 | x | ( | 1 | + | x | ) | − | 70 | = | 11 | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | − | 50 | × | 1 | − | 50 | x | − | 70 | x | ( | 1 | + | x | ) | − | 70 | = | 11 | × | 1 | + | 11 | x | + | 11 | x | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | + | 40 | − | 50 | − | 50 | x | − | 70 | x | ( | 1 | + | x | ) | − | 70 | x | = | 11 | + | 11 | x | + | 11 | x | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | ÷ | ( | 1 | + | x | ) | − | 10 | − | 50 | x | − | 70 | x | ( | 1 | + | x | ) | − | 70 | x | ( | 1 | + | x | ) | = | 11 | + | 11 | x | + | 11 | x | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) |
| Multiply both sides of the equation by: | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | − | 10 | ( | 1 | + | x | ) | − | 50 | x | ( | 1 | + | x | ) | − | 70 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | − | 70 | = | 11 | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | − | 10 | × | 1 | − | 10 | x | − | 50 | x | ( | 1 | + | x | ) | − | 70 | x | ( | 1 | + | x | ) | = | 11 | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) |
| 50 | ÷ | ( | 1 | + | x | ) | − | 10 | × | 1 | − | 10 | x | − | 50 | x | ( | 1 | + | x | ) | − | 70 | x | ( | 1 | + | x | ) | = | 11 | × | 1 | + | 11 | x | + | 11 | x | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 11 |
| 50 | ÷ | ( | 1 | + | x | ) | − | 10 | − | 10 | x | − | 50 | x | ( | 1 | + | x | ) | − | 70 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | = | 11 | + | 11 | x | + | 11 | x | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 11 | x |
| Multiply both sides of the equation by: | ( | 1 | + | x | ) |
| 50 | − | 10 | ( | 1 | + | x | ) | − | 10 | x | ( | 1 | + | x | ) | − | 50 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | − | 70 | x | = | 11 | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) |
| 50 | − | 10 | × | 1 | − | 10 | x | − | 10 | x | ( | 1 | + | x | ) | − | 50 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | = | 11 | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) | ( | 1 | + | x | ) | + | 11 | x | ( | 1 | + | x | ) |