( | 11600 | + | 600 | + | 80 | + | x | + | 4500 | + | 270 | ) | × | 13 100 | + | 11600 | + | 600 | + | 80 | + | x | + | 4500 | + | 270 | = | 18740 |
方程左边 = | ( | 11600 | + | 600 | + | 80 | + | x | + | 4500 | + | 270 | ) | × | 13 100 | + | 17050 | + | x |
( | 11600 | + | 600 | + | 80 | + | x | + | 4500 | + | 270 | ) | × | 13 100 | + | 17050 | + | x | = | 18740 |
方程左边 = | 11600 | × | 13 100 | + | 600 | × | 13 100 | + | 80 | × | 13 100 | + | x | × | 13 100 | + | 4500 | × | 13 100 | + | 270 | × | 13 100 |
= | 1508 | + | 78 | + | 52 5 | + | x | × | 13 100 | + | 585 | + | 351 10 | + | 17050 | + | x |
= | 38533 2 | + | 113 100 | x |
38533 2 | + | 113 100 | x | = | 18740 |
113 100 | x | = | 18740 | − | 38533 2 |
113 100 | x | = | - | 1053 2 |
x | = | - | 1053 2 | ÷ | 113 100 |
= | - | 1053 2 | × | 100 113 |
= | - | 1053 | × | 50 113 |
x | = | - | 52650 113 |
x | = | - 465.929204 |