116983 100 | ( | X | − | 1 5 | × | 2 | ) | ÷ | X | = | 10019 10 |
| 方程两边同时乘以: | X |
116983 100 | ( | X | − | 1 5 | × | 2 | ) | = | 10019 10 | X |
116983 100 | X | − | 116983 100 | × | 1 5 | × | 2 | = | 10019 10 | X |
116983 100 | X | − | 116983 250 | = | 10019 10 | X |
116983 100 | X | − | 10019 10 | X | = | 116983 250 |
16793 100 | X | = | 116983 250 |
| X | = | 116983 250 | ÷ | 16793 100 |
| = | 116983 250 | × | 100 16793 |
| = | 116983 5 | × | 2 16793 |
| X | = | 233966 83965 |
| X | = | 2.786471 |