| ( | ( | X | + | 2846182 25 | ) | ÷ | 113 100 | × | 13 100 | − | 2548961 50 | ) | ÷ | ( | X | + | 2846182 25 | ) | ÷ | 113 100 | = | 2 125 |
| 方程两边同时乘以: | ( | X | + | 2846182 25 | ) |
| ( | ( | X | + | 2846182 25 | ) | ÷ | 113 100 | × | 13 100 | − | 2548961 50 | ) | ÷ | 113 100 | = | 2 125 | ( | X | + | 2846182 25 | ) |
| ( | X | + | 2846182 25 | ) | ÷ | 113 100 | × | 13 100 | ÷ | 113 100 | − | 2548961 50 | ÷ | 113 100 | = | 2 125 | ( | X | + | 2846182 25 | ) |
| ( | X | + | 2846182 25 | ) | ÷ | 113 100 | × | 13 100 | ÷ | 113 100 | − | 2548961 50 | ÷ | 113 100 | = | 2 125 | X | + | 2 125 | × | 2846182 25 |
| ( | X | + | 2846182 25 | ) | × | 1300 12769 | − | 5097922 113 | = | 2 125 | X | + | 5692364 3125 |
| X | × | 1300 12769 | + | 2846182 25 | × | 1300 12769 | − | 5097922 113 | = | 2 125 | X | + | 5692364 3125 |
| X | × | 1300 12769 | + | 148001464 12769 | − | 5097922 113 | = | 2 125 | X | + | 5692364 3125 |