| ( | X | + | 300 | − | ( | 1500 | + | 3 20 | X | ) | ÷ | 4529 10000 | ) | ( | 1 | − | 25 100 | ) | + | 61183 100 | = | 1323 2 |
| 方程左边 = | X | ( | 1 | − | 25 100 | ) | + | 300 | ( | 1 | − | 25 100 | ) | − | ( | 1500 | + | 3 20 | X | ) | ÷ | 4529 10000 | × | ( | 1 | − | 25 100 | ) | + | 61183 100 |
| = | X | × | 1 | − | X | × | 25 100 | + | 300 | ( | 1 | − | 25 100 | ) | − | ( | 1500 | + | 3 20 | X | ) | × | 10000 4529 | ( | 1 | − | 25 100 | ) | + | 61183 100 |
| = | 3 4 | X | + | 300 | ( | 1 | − | 25 100 | ) | − | ( | 1500 | + | 3 20 | X | ) | × | 10000 4529 | ( | 1 | − | 25 100 | ) | + | 61183 100 |
| = | 3 4 | X | + | 300 | × | 1 | − | 300 | × | 25 100 | − | ( | 1500 | + | 3 20 | X | ) | × | 10000 4529 | ( | 1 | − | 25 100 | ) | + | 61183 100 |
| = | 3 4 | X | + | 300 | − | 75 | − | ( | 1500 | + | 3 20 | X | ) | × | 10000 4529 | ( | 1 | − | 25 100 | ) | + | 61183 100 |
| = | 3 4 | X | + | 83683 100 | − | ( | 1500 | + | 3 20 | X | ) | × | 10000 4529 | ( | 1 | − | 25 100 | ) |
| = | 3 4 | X | + | 83683 100 | − | 1500 | × | 10000 4529 | ( | 1 | − | 25 100 | ) | − | 3 20 | X | × | 10000 4529 | ( | 1 | − | 25 100 | ) |
| = | 3 4 | X | + | 83683 100 | − | 15000000 4529 | ( | 1 | − | 25 100 | ) | − | 1500 4529 | X | ( | 1 | − | 25 100 | ) |
| = | 3 4 | X | + | 83683 100 | − | 15000000 4529 | × | 1 | + | 15000000 4529 | × | 25 100 | − | 1500 4529 | X | ( | 1 | − | 25 100 | ) |
| = | 3 4 | X | + | 83683 100 | − | 15000000 4529 | + | 3750000 4529 | − | 1500 4529 | X | ( | 1 | − | 25 100 | ) |