680 | + | ( | 680 | + | 576 | x | ) | ÷ | 2080 | + | x | = | 11 |
方程左边 = | 680 | + | 680 | × | 1 2080 | + | 576 | x | × | 1 2080 | + | x |
= | 680 | + | 17 52 | + | 18 65 | x | + | x |
= | 35377 52 | + | 83 65 | x |
35377 52 | + | 83 65 | x | = | 11 |
83 65 | x | = | 11 | − | 35377 52 |
83 65 | x | = | - | 34805 52 |
x | = | - | 34805 52 | ÷ | 83 65 |
= | - | 34805 52 | × | 65 83 |
= | - | 34805 4 | × | 5 83 |
x | = | - | 174025 332 |
x | = | - 524.171687 |