216 25 | = | 791 100 | ( | 1 | + | ( | 11854 | − | X | ) | ÷ | X | ) |
216 25 | = | 791 100 | × | 1 | + | 791 100 | ( | 11854 | − | X | ) | ÷ | X |
216 25 | = | 791 100 | + | 791 100 | ( | 11854 | − | X | ) | ÷ | X |
| 方程两边同时乘以: | X |
216 25 | X | = | 791 100 | X | + | 791 100 | ( | 11854 | − | X | ) |
216 25 | X | = | 791 100 | X | + | 791 100 | × | 11854 | − | 791 100 | X |
216 25 | X | = | 791 100 | X | + | 4688257 50 | − | 791 100 | X |
216 25 | X | = | 0 | X | + | 4688257 50 |
| X | = | 4688257 50 | ÷ | 216 25 |
| = | 4688257 50 | × | 25 216 |
| = | 4688257 2 | × | 1 216 |
| X | = | 4688257 432 |
| X | = | 10852.446759 |