| ( | 32601 100 | + | 12 | x | ) | ÷ | 143 | = | ( | 318 | + | 12 | x | ) | ÷ | 140 |
| 方程左边 = | 32601 100 | × | 1 143 | + | 12 | x | × | 1 143 |
| = | 32601 14300 | + | 12 143 | x |
32601 14300 | + | 12 143 | x | = | ( | 318 | + | 12 | x | ) | ÷ | 140 |
| 方程右边 = | 318 | × | 1 140 | + | 12 | x | × | 1 140 |
| = | 159 70 | + | 3 35 | x |
32601 14300 | + | 12 143 | x | = | 159 70 | + | 3 35 | x |
12 143 | x | − | 3 35 | x | = | 159 70 | − | 32601 14300 |
| - | 9 5005 | x | = | 159 70 | − | 32601 14300 |
| - | 9 5005 | x | = | - | 837 100100 |
837 100100 | = | 9 5005 | x |
9 5005 | x | = | 837 100100 |
| x | = | 837 100100 | ÷ | 9 5005 |
| = | 837 100100 | × | 5005 9 |
| = | 93 20 | × | 1 |
| x | = | 93 20 |
| x | = | 4.65 |