450 | X | − | ( | 15501 50 | + | 240 | X | ) | − | ( | 450 | X | × | 13 100 | − | 15 | X | − | 152 5 | ) | × | 12 100 | = | 0 |
方程左边 = | 450 | X | − | 15501 50 | − | 240 | X | − | ( | 450 | X | × | 13 100 | − | 15 | X | − | 152 5 | ) | × | 12 100 |
= | 210 | X | − | 15501 50 | − | ( | 450 | X | × | 13 100 | − | 15 | X | − | 152 5 | ) | × | 12 100 |
= | 210 | X | − | 15501 50 | − | 450 | X | × | 13 100 | × | 12 100 | + | 15 | X | × | 12 100 | + | 152 5 | × | 12 100 |
= | 210 | X | − | 15501 50 | − | 351 50 | X | + | 9 5 | X | + | 456 125 |
= | 10239 50 | X | − | 76593 250 |
10239 50 | X | − | 76593 250 | = | 0 |
10239 50 | X | = | 0 | + | 76593 250 |
10239 50 | X | = | 76593 250 |
X | = | 76593 250 | ÷ | 10239 50 |
= | 76593 250 | × | 50 10239 |
= | 25531 5 | × | 1 3413 |
X | = | 25531 17065 |
X | = | 1.496103 |