3 2 | ( | 130 | ( | 1 | + | x | ) | ) | = | 130 | ( | 3 2 | ( | 1 | + | x | ) | ) |
方程左边 = | 3 2 | × | 130 | ( | 1 | + | x | ) |
= | 195 | ( | 1 | + | x | ) |
= | 195 | × | 1 | + | 195 | x |
= | 195 | + | 195 | x |
195 | + | 195 | x | = | 130 | ( | 3 2 | ( | 1 | + | x | ) | ) |
方程右边 = | 130 | × | 3 2 | ( | 1 | + | x | ) |
= | 195 | ( | 1 | + | x | ) |
= | 195 | × | 1 | + | 195 | x |
= | 195 | + | 195 | x |
195 | + | 195 | x | = | 195 | + | 195 | x |
195 | x | − | 195 | x | = | 195 | − | 195 |
0 | x | = | 195 | − | 195 |
0 | x | = | 0 |