| x | × | 4 5 | − | 300 | + | 57 | + | ( | ( | 10 | − | 203 1000 | × | 12 | − | 7 25 | × | 12 | ) | − | ( | 8 5 | + | 4 | ) | + | x | × | 4 5 | × | 23 1000 | − | 153 20 | ) | × | 37 | = | 2 |
| 方程左边 = | 4 5 | x | − | 243 | + | ( | ( | 10 | − | 203 1000 | × | 12 | − | 7 25 | × | 12 | ) | − | ( | 8 5 | + | 4 | ) | + | x | × | 4 5 | × | 23 1000 | − | 153 20 | ) | × | 37 |
4 5 | x | − | 243 | + | ( | ( | 10 | − | 203 1000 | × | 12 | − | 7 25 | × | 12 | ) | − | ( | 8 5 | + | 4 | ) | + | x | × | 4 5 | × | 23 1000 | − | 153 20 | ) | × | 37 | = | 2 |
| 方程左边 = | 4 5 | x | − | 243 | + | ( | 10 | − | 203 1000 | × | 12 | − | 7 25 | × | 12 | ) | × | 37 | − | ( | 8 5 | + | 4 | ) | × | 37 | + | x | × | 4 5 | × | 23 1000 | × | 37 | − | 153 20 |
| = | 4 5 | x | − | 243 | + | ( | 10 | − | 203 1000 | × | 12 | − | 7 25 | × | 12 | ) | × | 37 | − | ( | 8 5 | + | 4 | ) | × | 37 | + | x | × | 851 1250 | − | 5661 20 |
| = | 1851 1250 | x | − | 10521 20 | + | ( | 10 | − | 203 1000 | × | 12 | − | 7 25 | × | 12 | ) | × | 37 | − | ( | 8 5 | + | 4 | ) | × | 37 |
| = | 1851 1250 | x | − | 10521 20 | + | 10 | × | 37 | − | 203 1000 | × | 12 | × | 37 | − | 7 25 | × | 12 | × | 37 | − | ( | 8 5 | + | 4 | ) |
| = | 1851 1250 | x | − | 10521 20 | + | 370 | − | 22533 250 | − | 3108 25 | − | ( | 8 5 | + | 4 | ) | × | 37 |
| = | 1851 1250 | x | − | 185251 500 | − | ( | 8 5 | + | 4 | ) | × | 37 |
| = | 1851 1250 | x | − | 185251 500 | − | 8 5 | × | 37 | − | 4 | × | 37 |
| = | 1851 1250 | x | − | 185251 500 | − | 296 5 | − | 148 |
| = | 1851 1250 | x | − | 288851 500 |
1851 1250 | x | − | 288851 500 | = | 2 |
1851 1250 | x | = | 2 | + | 288851 500 |
1851 1250 | x | = | 289851 500 |
| x | = | 289851 500 | ÷ | 1851 1250 |
| = | 289851 500 | × | 1250 1851 |
| = | 96617 2 | × | 5 617 |
| x | = | 483085 1234 |
| x | = | 391.47893 |