| ( | 26493 1000 | + | x | ) | × | 53 20 | = | 26493 1000 | + | 34639 500 | − | x |
| 方程左边 = | 26493 1000 | × | 53 20 | + | x | × | 53 20 |
| = | 1404129 20000 | + | x | × | 53 20 |
1404129 20000 | + | 53 20 | x | = | 26493 1000 | + | 34639 500 | − | x |
| 方程右边 = | 95771 1000 | − | x |
1404129 20000 | + | 53 20 | x | = | 95771 1000 | − | x |
53 20 | x | + | x | = | 95771 1000 | − | 1404129 20000 |
73 20 | x | = | 95771 1000 | − | 1404129 20000 |
73 20 | x | = | 511291 20000 |
| x | = | 511291 20000 | ÷ | 73 20 |
| = | 511291 20000 | × | 20 73 |
| = | 511291 1000 | × | 1 73 |
| x | = | 511291 73000 |
| x | = | 7.003986 |