| ( | x | + | 3 | ÷ | 5 | ) | ( | x | − | 19 | ÷ | 6 | ) | + | 7 | ÷ | 3 | = | 0 |
| Left side of the equation = | ( | x | + | 3 | ÷ | 5 | ) | ( | x | − | 19 | ÷ | 6 | ) | + | 7 3 |
| ( | x | + | 3 | ÷ | 5 | ) | ( | x | − | 19 | ÷ | 6 | ) | + | 7 3 | = | 0 |
| Left side of the equation = | x | ( | x | − | 19 | ÷ | 6 | ) | + | 3 | ÷ | 5 | × | ( | x | − | 19 | ÷ | 6 | ) | + | 7 3 |
| = | x | ( | x | − | 19 | ÷ | 6 | ) | + | 3 5 | ( | x | − | 19 | ÷ | 6 | ) | + | 7 3 |
| = | x | x | − | x | × | 19 | ÷ | 6 | + | 3 5 | ( | x | − | 19 | ÷ | 6 | ) | + | 7 3 |
| = | x | x | − | x | × | 19 6 | + | 3 5 | ( | x | − | 19 | ÷ | 6 | ) | + | 7 3 |
| = | x | x | − | 19 6 | x | + | 3 5 | x | − | 3 5 | × | 19 | ÷ | 6 | + | 7 3 |
| = | x | x | − | 19 6 | x | + | 3 5 | x | − | 19 10 | + | 7 3 |
| = | x | x | − | 77 30 | x | + | 13 30 |
| x | x | − | 77 30 | x | + | 13 30 | = | 0 |