( | 1 | − | ( | 1 | − | ( | 1 | − | 2 | x | ) | × | 2 | ) | × | 2 | ) | ÷ | ( | 1 | + | ( | 1 | + | ( | 1 | + | 2 | x | ) | × | 2 | ) | × | 2 | ) | = | 3 | ÷ | 5 |
方程两边同时乘以: | ( | 1 | + | ( | 1 | + | ( | 1 | + | 2 | x | ) | × | 2 | ) | × | 2 | ) |
( | 1 | − | ( | 1 | − | ( | 1 | − | 2 | x | ) | × | 2 | ) | × | 2 | ) | = | 3 | ÷ | 5 | × | ( | 1 | + | ( | 1 | + | ( | 1 | + | 2 | x | ) | × | 2 | ) | × | 2 | ) |
1 | − | ( | 1 | − | ( | 1 | − | 2 | x | ) | × | 2 | ) | × | 2 | = | 3 | ÷ | 5 | × | ( | 1 | + | ( | 1 | + | ( | 1 | + | 2 | x | ) | × | 2 | ) | × | 2 | ) |
1 | − | ( | 1 | − | ( | 1 | − | 2 | x | ) | × | 2 | ) | × | 2 | = | 3 | ÷ | 5 | × | 1 | + | 3 | ÷ | 5 | × | ( | 1 | + | ( | 1 | + | 2 | x | ) | × | 2 | ) | × | 2 |
1 | − | ( | 1 | − | ( | 1 | − | 2 | x | ) | × | 2 | ) | × | 2 | = | 3 5 | + | 6 5 | ( | 1 | + | ( | 1 | + | 2 | x | ) | × | 2 | ) |
1 | − | 1 | × | 2 | + | ( | 1 | − | 2 | x | ) | × | 2 | × | 2 | = | 3 5 | + | 6 5 | ( | 1 | + | ( | 1 | + | 2 | x | ) | × | 2 | ) |
1 | − | 1 | × | 2 | + | ( | 1 | − | 2 | x | ) | × | 2 | × | 2 | = | 3 5 | + | 6 5 | × | 1 | + | 6 5 | ( | 1 | + | 2 | x | ) | × | 2 |
1 | − | 2 | + | ( | 1 | − | 2 | x | ) | × | 4 | = | 3 5 | + | 6 5 | + | 12 5 | ( | 1 | + | 2 | x | ) |
- | 1 | + | ( | 1 | − | 2 | x | ) | × | 4 | = | 9 5 | + | 12 5 | ( | 1 | + | 2 | x | ) |
- | 1 | + | 1 | × | 4 | − | 2 | x | × | 4 | = | 9 5 | + | 12 5 | ( | 1 | + | 2 | x | ) |
- | 1 | + | 1 | × | 4 | − | 2 | x | × | 4 | = | 9 5 | + | 12 5 | × | 1 | + | 12 5 | × | 2 | x |
- | 1 | + | 4 | − | 8 | x | = | 9 5 | + | 12 5 | + | 24 5 | x |
3 | − | 8 | x | = | 21 5 | + | 24 5 | x |
- | 8 | x | − | 24 5 | x | = | 21 5 | − | 3 |
- | 64 5 | x | = | 21 5 | − | 3 |
- | 64 5 | x | = | 6 5 |
- | 6 5 | = | 64 5 | x |
64 5 | x | = | - | 6 5 |
x | = | - | 6 5 | ÷ | 64 5 |
= | - | 6 5 | × | 5 64 |
= | - | 3 | × | 1 32 |
x | = | - | 3 32 |
x | = | - 0.09375 |