| x | = | 3407 25 | + | 133 10 | + | 1 | + | ( | x | ÷ | 109 100 | × | 9 100 | ) | × | 28 25 | + | x | ÷ | 109 100 | × | 12 100 | + | x | ÷ | 109 100 | × | 9 100 |
| 方程右边 = | 3407 25 | + | 133 10 | + | 1 | + | ( | x | ÷ | 109 100 | × | 9 100 | ) | × | 28 25 | + | x | × | 12 109 | + | x | × | 9 109 |
| = | 7529 50 | + | ( | x | ÷ | 109 100 | × | 9 100 | ) | × | 28 25 | + | 21 109 | x |
| x | = | 7529 50 | + | ( | x | ÷ | 109 100 | × | 9 100 | ) | × | 28 25 | + | 21 109 | x |
| 方程右边 = | 7529 50 | + | x | ÷ | 109 100 | × | 9 100 | × | 28 25 | + | 21 109 | x |
| = | 7529 50 | + | x | × | 252 2725 | + | 21 109 | x |
| = | 7529 50 | + | 777 2725 | x |
| x | = | 7529 50 | + | 777 2725 | x |
| x | − | 777 2725 | x | = | 7529 50 |
1948 2725 | x | = | 7529 50 |
| x | = | 7529 50 | ÷ | 1948 2725 |
| = | 7529 50 | × | 2725 1948 |
| = | 7529 2 | × | 109 1948 |
| x | = | 820661 3896 |
| x | = | 210.64194 |