| ( | ( | ( | 19 20 | + | 31 20 | ) | × | 19 20 | + | 173 50 | ) | × | 19 20 | + | x | ) | × | 26 25 | = | 1 | + | 173 50 | + | 31 20 | + | x |
| 方程左边 = | ( | ( | 19 20 | + | 31 20 | ) | × | 19 20 | + | 173 50 | ) | × | 19 20 | × | 26 25 | + | x | × | 26 25 |
| = | ( | ( | 19 20 | + | 31 20 | ) | × | 19 20 | + | 173 50 | ) | × | 247 250 | + | x | × | 26 25 |
| = | ( | 19 20 | + | 31 20 | ) | × | 19 20 | × | 247 250 | + | 173 50 | × | 247 250 | + | 26 25 | x |
| = | ( | 19 20 | + | 31 20 | ) | × | 4693 5000 | + | 42731 12500 | + | 26 25 | x |
| = | 19 20 | × | 4693 5000 | + | 31 20 | × | 4693 5000 | + | 42731 12500 | + | 26 25 | x |
| = | 89167 100000 | + | 145483 100000 | + | 42731 12500 | + | 26 25 | x |
| = | 288249 50000 | + | 26 25 | x |
288249 50000 | + | 26 25 | x | = | 1 | + | 173 50 | + | 31 20 | + | x |
| 方程右边 = | 601 100 | + | x |
288249 50000 | + | 26 25 | x | = | 601 100 | + | x |
26 25 | x | − | x | = | 601 100 | − | 288249 50000 |
1 25 | x | = | 601 100 | − | 288249 50000 |
1 25 | x | = | 12251 50000 |
| x | = | 12251 50000 | ÷ | 1 25 |
| = | 12251 50000 | × | 25 |
| = | 12251 2000 | × | 1 |
| x | = | 12251 2000 |
| x | = | 6.1255 |