432 500 | + | 28 100 | + | 64 100 | + | ( | 20 | − | x | ) | × | 43 10 | = | ( | 0 | + | 13 2 | x | ) | ÷ | 3 2 |
| 方程左边 = | 223 125 | + | ( | 20 | − | x | ) | × | 43 10 |
223 125 | + | ( | 20 | − | x | ) | × | 43 10 | = | ( | 0 | + | 13 2 | x | ) | ÷ | 3 2 |
| 方程左边 = | 223 125 | + | 20 | × | 43 10 | − | x | × | 43 10 |
| = | 223 125 | + | 86 | − | x | × | 43 10 |
| = | 10973 125 | − | 43 10 | x |
10973 125 | − | 43 10 | x | = | ( | 0 | + | 13 2 | x | ) | ÷ | 3 2 |
| 方程右边 = | 0 | × | 2 3 | + | 13 2 | x | × | 2 3 |
| = | 0 | + | 13 3 | x |
10973 125 | − | 43 10 | x | = | 0 | + | 13 3 | x |
| - | 43 10 | x | − | 13 3 | x | = | - | 10973 125 |
| - | 259 30 | x | = | - | 10973 125 |
10973 125 | = | 259 30 | x |
259 30 | x | = | 10973 125 |
| x | = | 10973 125 | ÷ | 259 30 |
| = | 10973 125 | × | 30 259 |
| = | 10973 25 | × | 6 259 |
| x | = | 65838 6475 |
| x | = | 10.168031 |