| ( | 1177417824 5 | − | X | ) | ÷ | ( | 586999105 2 | − | X | ) | = | 7 10 |
| 方程两边同时乘以: | ( | 586999105 2 | − | X | ) |
| ( | 1177417824 5 | − | X | ) | = | 7 10 | ( | 586999105 2 | − | X | ) |
1177417824 5 | − | X | = | 7 10 | ( | 586999105 2 | − | X | ) |
1177417824 5 | − | X | = | 7 10 | × | 586999105 2 | − | 7 10 | X |
1177417824 5 | − | X | = | 821798747 4 | − | 7 10 | X |
| - | X | + | 7 10 | X | = | 821798747 4 | − | 1177417824 5 |
| - | 3 10 | X | = | 821798747 4 | − | 1177417824 5 |
| - | 3 10 | X | = | - | 600677561 20 |
600677561 20 | = | 3 10 | X |
3 10 | X | = | 600677561 20 |
| X | = | 600677561 20 | ÷ | 3 10 |
| = | 600677561 20 | × | 10 3 |
| = | 600677561 2 | × | 1 3 |
| X | = | 600677561 6 |
| X | = | 100112926.833333001 |