( | ( | 220 | + | 260 | ) | × | 43 | − | x | ) | × | 9 10 | + | 32 | × | 43 | = | 35647 2 |
方程左边 = | ( | ( | 220 | + | 260 | ) | × | 43 | − | x | ) | × | 9 10 | + | 1376 |
( | ( | 220 | + | 260 | ) | × | 43 | − | x | ) | × | 9 10 | + | 1376 | = | 35647 2 |
方程左边 = | ( | 220 | + | 260 | ) | × | 43 | × | 9 10 | − | x | × | 9 10 | + | 1376 |
= | ( | 220 | + | 260 | ) | × | 387 10 | − | x | × | 9 10 | + | 1376 |
= | 220 | × | 387 10 | + | 260 | × | 387 10 | − | 9 10 | x | + | 1376 |
= | 8514 | + | 10062 | − | 9 10 | x | + | 1376 |
= | 19952 | − | 9 10 | x |
19952 | − | 9 10 | x | = | 35647 2 |
- | 9 10 | x | = | 35647 2 | − | 19952 |
- | 9 10 | x | = | - | 4257 2 |
4257 2 | = | 9 10 | x |
9 10 | x | = | 4257 2 |
x | = | 4257 2 | ÷ | 9 10 |
= | 4257 2 | × | 10 9 |
= | 473 | × | 5 |
x | = | 2365 |