| ( | x | − | 600 | − | 300 | ) | ÷ | 7000 | = | ( | x | − | 256 | − | 368 | ) | ÷ | 6360 |
| 方程左边 = | x | × | 1 7000 | − | 600 | × | 1 7000 | − | 300 | × | 1 7000 |
| = | x | × | 1 7000 | − | 3 35 | − | 3 70 |
| = | 1 7000 | x | − | 9 70 |
1 7000 | x | − | 9 70 | = | ( | x | − | 256 | − | 368 | ) | ÷ | 6360 |
| 方程右边 = | x | × | 1 6360 | − | 256 | × | 1 6360 | − | 368 | × | 1 6360 |
| = | x | × | 1 6360 | − | 32 795 | − | 46 795 |
| = | 1 6360 | x | − | 26 265 |
1 7000 | x | − | 9 70 | = | 1 6360 | x | − | 26 265 |
1 7000 | x | − | 1 6360 | x | = | - | 26 265 | + | 9 70 |
| - | 2 139125 | x | = | - | 26 265 | + | 9 70 |
| - | 2 139125 | x | = | 113 3710 |
| - | 113 3710 | = | 2 139125 | x |
2 139125 | x | = | - | 113 3710 |
| x | = | - | 113 3710 | ÷ | 2 139125 |
| = | - | 113 3710 | × | 139125 2 |
| = | - | 113 106 | × | 3975 2 |
| x | = | - | 449175 212 |
| x | = | - | 8475 4 |
| x | = | - 2118.75 |