| ( | 4 | x | − | 1 | ) | ÷ | 65 | − | ( | 3 | x | − | 1 | ) | ÷ | 49 | = | 36 |
| 方程左边 = | 4 | x | × | 1 65 | − | 1 | × | 1 65 | − | ( | 3 | x | − | 1 | ) | × | 1 49 |
| = | 4 65 | x | − | 1 65 | − | ( | 3 | x | − | 1 | ) | × | 1 49 |
| = | 4 65 | x | − | 1 65 | − | 3 | x | × | 1 49 | + | 1 | × | 1 49 |
| = | 4 65 | x | − | 1 65 | − | 3 49 | x | + | 1 49 |
| = | 1 3185 | x | + | 16 3185 |
1 3185 | x | + | 16 3185 | = | 36 |
1 3185 | x | = | 36 | − | 16 3185 |
1 3185 | x | = | 114644 3185 |
| x | = | 114644 3185 | ÷ | 1 3185 |
| = | 114644 3185 | × | 3185 |
| = | 114644 | × | 1 |
| x | = | 114644 |