| ( | x | ÷ | ( | 2 | + | 1 | ) | − | 100 | − | 20 | − | 30 | − | 10 | ) | ÷ | x | ÷ | ( | 1 | + | 3 | ) | − | 3 | − | 4 | = | 0 |
| Multiply both sides of the equation by: | x |
| ( | x | ÷ | ( | 2 | + | 1 | ) | − | 100 | − | 20 | − | 30 | − | 10 | ) | ÷ | ( | 1 | + | 3 | ) | − | 3 | x | − | 4 | x | = | 0 |
| x | ÷ | ( | 2 | + | 1 | ) | ÷ | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | − | 20 | ÷ | ( | 1 | + | 3 | ) | − | 30 | ÷ | ( | 1 | + | 3 | ) | − | 10 | ÷ | ( | 1 | + | 3 | ) | − | 3 | = | 0 |
| x | ÷ | ( | 2 | + | 1 | ) | ÷ | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | − | 20 | ÷ | ( | 1 | + | 3 | ) | − | 30 | ÷ | ( | 1 | + | 3 | ) | − | 10 | ÷ | ( | 1 | + | 3 | ) | − | 7 | = | 0 |
| Multiply both sides of the equation by: | ( | 2 | + | 1 | ) |
| x | ÷ | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | ( | 2 | + | 1 | ) | − | 20 | ÷ | ( | 1 | + | 3 | ) | × | ( | 2 | + | 1 | ) | − | 30 | ÷ | ( | 1 | + | 3 | ) | × | ( | 2 | + | 1 | ) | − | 10 | = | 0 |
| x | ÷ | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | 2 | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | 1 | − | 20 | ÷ | ( | 1 | + | 3 | ) | × | ( | 2 | + | 1 | ) | − | 30 | = | 0 |
| x | ÷ | ( | 1 | + | 3 | ) | − | 200 | ÷ | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | − | 20 | ÷ | ( | 1 | + | 3 | ) | × | ( | 2 | + | 1 | ) | − | 30 | ÷ | ( | 1 | + | 3 | ) | × | ( | 2 | + | 1 | ) | = | 0 |
| Multiply both sides of the equation by: | ( | 1 | + | 3 | ) |
| x | − | 200 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | − | 20 | ÷ | ( | 1 | + | 3 | ) | × | ( | 2 | + | 1 | ) | ( | 1 | + | 3 | ) | − | 30 | = | 0 |
| x | − | 200 | ÷ | ( | 1 | + | 3 | ) | × | 1 | − | 200 | ÷ | ( | 1 | + | 3 | ) | × | 3 | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | − | 20 | ÷ | ( | 1 | + | 3 | ) | = | 0 |
| x | − | 200 | ÷ | ( | 1 | + | 3 | ) | − | 600 | ÷ | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | − | 20 | ÷ | ( | 1 | + | 3 | ) | × | ( | 2 | + | 1 | ) | ( | 1 | + | 3 | ) | = | 0 |
| Multiply both sides of the equation by: | ( | 1 | + | 3 | ) |
| x | ( | 1 | + | 3 | ) | − | 200 | − | 600 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | − | 20 | ÷ | ( | 1 | + | 3 | ) | = | 0 |
| x | × | 1 | + | x | × | 3 | − | 200 | − | 600 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | = | 0 |
| 4 | x | − | 200 | − | 600 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | − | 20 | ÷ | ( | 1 | + | 3 | ) | = | 0 |
| Multiply both sides of the equation by: | ( | 1 | + | 3 | ) |
| 4 | x | ( | 1 | + | 3 | ) | − | 200 | ( | 1 | + | 3 | ) | − | 600 | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | = | 0 |
| 4 | x | × | 1 | + | 4 | x | × | 3 | − | 200 | ( | 1 | + | 3 | ) | − | 600 | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | = | 0 |
| 4 | x | + | 12 | x | − | 200 | ( | 1 | + | 3 | ) | − | 600 | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | = | 0 |
| 16 | x | − | 200 | ( | 1 | + | 3 | ) | − | 600 | ( | 1 | + | 3 | ) | − | 100 | ÷ | ( | 1 | + | 3 | ) | × | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | − | 20 | = | 0 |
| Multiply both sides of the equation by: | ( | 1 | + | 3 | ) |
| 16 | x | ( | 1 | + | 3 | ) | − | 200 | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | − | 600 | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | − | 100 | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | = | 0 |
| 16 | x | × | 1 | + | 16 | x | × | 3 | − | 200 | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | − | 600 | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | = | 0 |
| 16 | x | + | 48 | x | − | 200 | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | − | 600 | ( | 1 | + | 3 | ) | ( | 1 | + | 3 | ) | − | 100 | ( | 1 | + | 3 | ) | = | 0 |