1 20 | = | 1 200 | ÷ | ( | 1 200 | + | ( | 1 | − | ( | 1 200 | ÷ | x | ) | ( | 1 | − | x | ) | ) | ) |
| Multiply both sides of the equation by: | ( | 1 200 | + | ( | 1 | − | ( | 1 200 | ÷ | x | ) | ( | 1 | − | x | ) | ) | ) |
1 20 | ( | 1 200 | + | ( | 1 | − | ( | 1 200 | ÷ | x | ) | ( | 1 | − | x | ) | ) | ) | = | 1 200 |
1 20 | × | 1 200 | + | 1 20 | ( | 1 | − | ( | 1 200 | ÷ | x | ) | ( | 1 | − | x | ) | ) | = | 1 200 |
1 4000 | + | 1 20 | ( | 1 | − | ( | 1 200 | ÷ | x | ) | ( | 1 | − | x | ) | ) | = | 1 200 |
1 4000 | + | 1 20 | × | 1 | − | 1 20 | ( | 1 200 | ÷ | x | ) | ( | 1 | − | x | ) | = | 1 200 |
1 4000 | + | 1 20 | − | 1 20 | ( | 1 200 | ÷ | x | ) | ( | 1 | − | x | ) | = | 1 200 |
201 4000 | − | 1 20 | ( | 1 200 | ÷ | x | ) | ( | 1 | − | x | ) | = | 1 200 |
201 4000 | − | 1 20 | × | 1 200 | ÷ | x | × | ( | 1 | − | x | ) | = | 1 200 |
201 4000 | − | 1 4000 | ÷ | x | × | ( | 1 | − | x | ) | = | 1 200 |
| Multiply both sides of the equation by: | x |
201 4000 | x | − | 1 4000 | ( | 1 | − | x | ) | = | 1 200 | x |
201 4000 | x | − | 1 4000 | × | 1 | + | 1 4000 | x | = | 1 200 | x |
201 4000 | x | − | 1 4000 | + | 1 4000 | x | = | 1 200 | x |
101 2000 | x | − | 1 4000 | = | 1 200 | x |
101 2000 | x | − | 1 200 | x | = | 1 4000 |
91 2000 | x | = | 1 4000 |
| x | = | 1 4000 | ÷ | 91 2000 |
| = | 1 4000 | × | 2000 91 |
| = | 1 2 | × | 1 91 |
| x | = | 1 182 |
| x | = | 0.005495 |