5 2 | = | x | ( | 1 | + | 1 20 | ) | ÷ | ( | 1 | - | 7 125 | ) |
方程两边同时乘以: | ( | 1 | - | 7 125 | ) |
5 2 | ( | 1 | - | 7 125 | ) | = | x | ( | 1 | + | 1 20 | ) |
5 2 | × | 1 | - | 5 2 | × | 7 125 | = | x | ( | 1 | + | 1 20 | ) |
5 2 | × | 1 | - | 5 2 | × | 7 125 | = | x | × | 1 | + | x | × | 1 20 |
5 2 | - | 7 50 | = | x | × | 1 | + | x | × | 1 20 |
59 25 | = | 21 20 | x |
- | 21 20 | x | = | - | 59 25 |
21 20 | x | = | 59 25 |
x | = | 59 25 | ÷ | 21 20 |
= | 59 25 | × | 20 21 |
= | 59 5 | × | 4 21 |
x | = | 236 105 |
x | = | 2.247619 |