5 2 | x | = | 2 | ( | 33 2 | + | 287 5 | + | 5 | ) | + | 23 20 | x |
方程右边 = | 2 | × | 33 2 | + | 2 | × | 287 5 | + | 2 | × | 5 | + | 23 20 | x |
= | 33 | + | 574 5 | + | 10 | + | 23 20 | x |
= | 789 5 | + | 23 20 | x |
5 2 | x | = | 789 5 | + | 23 20 | x |
5 2 | x | − | 23 20 | x | = | 789 5 |
27 20 | x | = | 789 5 |
x | = | 789 5 | ÷ | 27 20 |
= | 789 5 | × | 20 27 |
= | 263 | × | 4 9 |
x | = | 1052 9 |
x | = | 116.888889 |