13299 100 | = | ( | 189 | + | 358 | ) | ( | 1 | + | X | ) | ÷ | ( | 1 | − | 13 100 | ) |
| 方程两边同时乘以: | ( | 1 | − | 13 100 | ) |
13299 100 | ( | 1 | − | 13 100 | ) | = | ( | 189 | + | 358 | ) | ( | 1 | + | X | ) |
13299 100 | × | 1 | − | 13299 100 | × | 13 100 | = | ( | 189 | + | 358 | ) | ( | 1 | + | X | ) |
13299 100 | × | 1 | − | 13299 100 | × | 13 100 | = | 189 | ( | 1 | + | X | ) | + | 358 | ( | 1 | + | X | ) |
13299 100 | − | 172887 10000 | = | 189 | ( | 1 | + | X | ) | + | 358 | ( | 1 | + | X | ) |
1157013 10000 | = | 189 | ( | 1 | + | X | ) | + | 358 | ( | 1 | + | X | ) |
1157013 10000 | = | 189 | × | 1 | + | 189 | X | + | 358 | ( | 1 | + | X | ) |
1157013 10000 | = | 189 | + | 189 | X | + | 358 | ( | 1 | + | X | ) |
1157013 10000 | = | 189 | + | 189 | X | + | 358 | × | 1 | + | 358 | X |
1157013 10000 | = | 189 | + | 189 | X | + | 358 | + | 358 | X |
1157013 10000 | = | 547 | + | 547 | X |
| - | 547 | X | = | 547 | − | 1157013 10000 |
| - | 547 | X | = | 4312987 10000 |
| - | 4312987 10000 | = | 547 | X |
| 547 | X | = | - | 4312987 10000 |
| X | = | - | 4312987 10000 | ÷ | 547 |
| = | - | 4312987 10000 | × | 1 547 |
| X | = | - | 4312987 5470000 |
| X | = | - 0.78848 |