x | + | 100 | + | 2 | ÷ | 3 | × | x | = | 4 | ( | 27 | + | 1 | ÷ | 3 | × | x | ) |
方程左边 = | x | + | 100 | + | 2 3 | x |
= | 5 3 | x | + | 100 |
5 3 | x | + | 100 | = | 4 | ( | 27 | + | 1 | ÷ | 3 | × | x | ) |
方程右边 = | 4 | × | 27 | + | 4 | × | 1 | ÷ | 3 | × | x |
= | 108 | + | 4 3 | x |
5 3 | x | + | 100 | = | 108 | + | 4 3 | x |
5 3 | x | − | 4 3 | x | = | 108 | − | 100 |
1 3 | x | = | 108 | − | 100 |
1 3 | x | = | 8 |
x | = | 8 | ÷ | 1 3 |
= | 8 | × | 3 |
x | = | 24 |