| ( | 1242513 100 | X | − | 1546347 100 | ) | ÷ | ( | 23270953 100 | + | 124251 100 | X | ) | = | 20 100 |
| 方程两边同时乘以: | ( | 23270953 100 | + | 124251 100 | X | ) |
| ( | 1242513 100 | X | − | 1546347 100 | ) | = | 20 100 | ( | 23270953 100 | + | 124251 100 | X | ) |
1242513 100 | X | − | 1546347 100 | = | 20 100 | ( | 23270953 100 | + | 124251 100 | X | ) |
1242513 100 | X | − | 1546347 100 | = | 20 100 | × | 23270953 100 | + | 20 100 | × | 124251 100 | X |
1242513 100 | X | − | 1546347 100 | = | 23270953 500 | + | 124251 500 | X |
1242513 100 | X | − | 124251 500 | X | = | 23270953 500 | + | 1546347 100 |
3044157 250 | X | = | 23270953 500 | + | 1546347 100 |
3044157 250 | X | = | 7750672 125 |
| X | = | 7750672 125 | ÷ | 3044157 250 |
| = | 7750672 125 | × | 250 3044157 |
| = | 7750672 | × | 2 3044157 |
| X | = | 15501344 3044157 |
| X | = | 5.092163 |