| x | ÷ | 12 | + | ( | x | − | ( | x | ÷ | 27 20 | ) | × | 32 25 | ) | ÷ | 13 | + | ( | x | − | ( | x | ÷ | 27 20 | ) | × | 32 25 | × | 7 5 | ) | ÷ | 8 | = | 50 | ÷ | 6 |
| 方程左边 = | 1 12 | x | + | x | × | 1 13 | − | ( | x | ÷ | 27 20 | ) | × | 32 25 | × | 1 13 | + | ( | x | − | ( | x | ÷ | 27 20 | ) | × | 32 25 | × | 7 5 | ) | × | 1 8 |
| = | 1 12 | x | + | x | × | 1 13 | − | ( | x | ÷ | 27 20 | ) | × | 32 325 | + | ( | x | − | ( | x | ÷ | 27 20 | ) | × | 32 25 | × | 7 5 | ) | × | 1 8 |
| = | 25 156 | x | − | ( | x | ÷ | 27 20 | ) | × | 32 325 | + | ( | x | − | ( | x | ÷ | 27 20 | ) | × | 32 25 | × | 7 5 | ) | × | 1 8 |
| = | 25 156 | x | − | x | ÷ | 27 20 | × | 32 325 | + | ( | x | − | ( | x | ÷ | 27 20 | ) | × | 32 25 | × | 7 5 | ) | × | 1 8 |
| = | 25 156 | x | − | x | × | 128 1755 | + | ( | x | − | ( | x | ÷ | 27 20 | ) | × | 32 25 | × | 7 5 | ) | × | 1 8 |
| = | 613 7020 | x | + | ( | x | − | ( | x | ÷ | 27 20 | ) | × | 32 25 | × | 7 5 | ) | × | 1 8 |
| = | 613 7020 | x | + | x | × | 1 8 | − | ( | x | ÷ | 27 20 | ) | × | 32 25 | × | 7 5 | × | 1 8 |
| = | 613 7020 | x | + | x | × | 1 8 | − | ( | x | ÷ | 27 20 | ) | × | 28 125 |
| = | 2981 14040 | x | − | ( | x | ÷ | 27 20 | ) | × | 28 125 |
| = | 2981 14040 | x | − | x | ÷ | 27 20 | × | 28 125 |
| = | 2981 14040 | x | − | x | × | 112 675 |
| = | 3257 70200 | x |
3257 70200 | x | = | 50 | ÷ | 6 |
| 方程右边 = | 25 3 |
3257 70200 | x | = | 25 3 |
| x | = | 25 3 | ÷ | 3257 70200 |
| = | 25 3 | × | 70200 3257 |
| = | 25 | × | 23400 3257 |
| x | = | 585000 3257 |
| x | = | 179.613141 |