385 | × | 22 | × | 180 | + | ( | 350 | − | x | ) | × | 385 | × | 8 | = | 385 | × | 12 | × | 180 | + | x | × | 8 | × | 385 | + | 700 | × | 150 | × | 13 2 | + | 22619 10 | × | 448 |
方程左边 = | 1524600 | + | ( | 350 | − | x | ) | × | 3080 |
1524600 | + | ( | 350 | − | x | ) | × | 3080 | = | 385 | × | 12 | × | 180 | + | x | × | 8 | × | 385 | + | 700 | × | 150 | × | 13 2 | + | 22619 10 | × | 448 |
方程左边 = | 1524600 | + | 350 | × | 3080 | − | x | × | 3080 |
= | 1524600 | + | 1078000 | − | x | × | 3080 |
= | 2602600 | − | 3080 | x |
2602600 | − | 3080 | x | = | 385 | × | 12 | × | 180 | + | x | × | 8 | × | 385 | + | 700 | × | 150 | × | 13 2 | + | 22619 10 | × | 448 |
方程右边 = | 831600 | + | x | × | 3080 | + | 682500 | + | 5066656 5 |
= | 12637156 5 | + | 3080 | x |
2602600 | − | 3080 | x | = | 12637156 5 | + | 3080 | x |
- | 3080 | x | − | 3080 | x | = | 12637156 5 | − | 2602600 |
- | 6160 | x | = | 12637156 5 | − | 2602600 |
- | 6160 | x | = | - | 375844 5 |
375844 5 | = | 6160 | x |
6160 | x | = | 375844 5 |
x | = | 375844 5 | ÷ | 6160 |
= | 375844 5 | × | 1 6160 |
= | 13423 5 | × | 1 220 |
x | = | 13423 1100 |
x | = | 12.202727 |