| ( | - | 3 | ÷ | 4 | ) | x | + | 4 | ÷ | 19 | = | ( | 4 | ÷ | 3 | ) | x | − | 3 |
| 方程左边 = | ( | - | 3 | ÷ | 4 | ) | x | + | 4 19 |
| ( | - | 3 | ÷ | 4 | ) | x | + | 4 19 | = | ( | 4 | ÷ | 3 | ) | x | − | 3 |
| 方程左边 = | - | 3 | ÷ | 4 | × | x | + | 4 19 |
| = | - | 3 4 | x | + | 4 19 |
| - | 3 4 | x | + | 4 19 | = | ( | 4 | ÷ | 3 | ) | x | − | 3 |
| 方程右边 = | 4 | ÷ | 3 | × | x | − | 3 |
| = | 4 3 | x | − | 3 |
| - | 3 4 | x | + | 4 19 | = | 4 3 | x | − | 3 |
| - | 3 4 | x | − | 4 3 | x | = | - | 3 | − | 4 19 |
| - | 25 12 | x | = | - | 3 | − | 4 19 |
| - | 25 12 | x | = | - | 61 19 |
61 19 | = | 25 12 | x |
25 12 | x | = | 61 19 |
| x | = | 61 19 | ÷ | 25 12 |
| = | 61 19 | × | 12 25 |
| x | = | 732 475 |
| x | = | 1.541053 |