| ( | 6 | + | 260 | x | + | 145 | ( | 18 | − | 115 | x | ) | ÷ | 46 | ) | ÷ | ( | - | 145 | ) | = | ( | 18 | − | 115 | x | ) | ÷ | 46 | + | x |
| 方程两边同时乘以: | ( | - | 145 | ) |
| ( | 6 | + | 260 | x | + | 145 | ( | 18 | − | 115 | x | ) | ÷ | 46 | ) | = | ( | 18 | − | 115 | x | ) | ÷ | 46 | × | ( | - | 145 | ) | + | x | ( | - | 145 | ) |
| 6 | + | 260 | x | + | 145 | ( | 18 | − | 115 | x | ) | ÷ | 46 | = | ( | 18 | − | 115 | x | ) | ÷ | 46 | × | ( | - | 145 | ) | + | x | ( | - | 145 | ) |
| 6 | + | 260 | x | + | 145 | ( | 18 | − | 115 | x | ) | ÷ | 46 | = | 18 | ÷ | 46 | × | ( | - | 145 | ) | − | 115 | x | ÷ | 46 | × | ( | - | 145 | ) | + | x | ( | - | 145 | ) |
| 6 | + | 260 | x | + | 145 46 | ( | 18 | − | 115 | x | ) | = | 9 23 | ( | - | 145 | ) | − | 5 2 | x | ( | - | 145 | ) | + | x | ( | - | 145 | ) |
| 6 | + | 260 | x | + | 145 46 | × | 18 | − | 145 46 | × | 115 | x | = | 9 23 | ( | - | 145 | ) | − | 5 2 | x | ( | - | 145 | ) | + | x | ( | - | 145 | ) |
| 6 | + | 260 | x | + | 145 46 | × | 18 | − | 145 46 | × | 115 | x | = | - | 9 23 | × | 145 | − | 5 2 | x | ( | - | 145 | ) | + | x | ( | - | 145 | ) |
| 6 | + | 260 | x | + | 1305 23 | − | 725 2 | x | = | - | 1305 23 | − | 5 2 | x | ( | - | 145 | ) | + | x | ( | - | 145 | ) |
1443 23 | − | 205 2 | x | = | - | 1305 23 | − | 5 2 | x | ( | - | 145 | ) | + | x | ( | - | 145 | ) |
1443 23 | − | 205 2 | x | = | - | 1305 23 | + | 5 2 | x | × | 145 | + | x | ( | - | 145 | ) |
1443 23 | − | 205 2 | x | = | - | 1305 23 | + | 725 2 | x | + | x | ( | - | 145 | ) |
1443 23 | − | 205 2 | x | = | - | 1305 23 | + | 725 2 | x | − | x | × | 145 |
1443 23 | − | 205 2 | x | = | - | 1305 23 | + | 435 2 | x |
| - | 205 2 | x | − | 435 2 | x | = | - | 1305 23 | − | 1443 23 |
| - | 320 | x | = | - | 1305 23 | − | 1443 23 |
| - | 320 | x | = | - | 2748 23 |
2748 23 | = | 320 | x |
| 320 | x | = | 2748 23 |
| x | = | 2748 23 | ÷ | 320 |
| = | 2748 23 | × | 1 320 |
| = | 687 23 | × | 1 80 |
| x | = | 687 1840 |
| x | = | 0.37337 |