3 5 | − | 3 20 | ( | ( | 1 | + | x | ) | ÷ | x | ) | × | 1 20 | × | 1 | = | 0 |
3 5 | − | 3 20 | ( | 1 | + | x | ) | ÷ | x | × | 1 20 | × | 1 | = | 0 |
3 5 | − | 3 400 | ( | 1 | + | x | ) | ÷ | x | = | 0 |
| Multiply both sides of the equation by: | x |
3 5 | x | − | 3 400 | ( | 1 | + | x | ) | = | 0 |
3 5 | x | − | 3 400 | × | 1 | − | 3 400 | x | = | 0 |
3 5 | x | − | 3 400 | − | 3 400 | x | = | 0 |
237 400 | x | − | 3 400 | = | 0 |
237 400 | x | = | 0 | + | 3 400 |
237 400 | x | = | 3 400 |
| x | = | 3 400 | ÷ | 237 400 |
| = | 3 400 | × | 400 237 |
| = | 1 | × | 1 79 |
| x | = | 1 79 |
| x | = | 0.012658 |