| 450 | x | − | 15501 50 | − | 240 | x | − | ( | 450 | x | × | 13 100 | − | 15 | − | 152 5 | ) | × | 3 25 | = | 0 |
| 方程左边 = | 210 | x | − | 15501 50 | − | ( | 450 | x | × | 13 100 | − | 15 | − | 152 5 | ) | × | 3 25 |
| 210 | x | − | 15501 50 | − | ( | 450 | x | × | 13 100 | − | 15 | − | 152 5 | ) | × | 3 25 | = | 0 |
| 方程左边 = | 210 | x | − | 15501 50 | − | 450 | x | × | 13 100 | × | 3 25 | + | 15 | × | 3 25 | + | 152 5 | × | 3 25 |
| = | 210 | x | − | 15501 50 | − | 351 50 | x | + | 9 5 | + | 456 125 |
| = | 10149 50 | x | − | 76143 250 |
10149 50 | x | − | 76143 250 | = | 0 |
10149 50 | x | = | 0 | + | 76143 250 |
10149 50 | x | = | 76143 250 |
| x | = | 76143 250 | ÷ | 10149 50 |
| = | 76143 250 | × | 50 10149 |
| = | 1493 5 | × | 1 199 |
| x | = | 1493 995 |
| x | = | 1.500503 |