( | 11 | × | 60 | + | 57 | ) | − | x | + | 9677 | ÷ | 6 | + | 2 | ( | 7 | × | 60 | + | 21 | − | x | ) | ÷ | 3 | = | ( | 87 2 | × | 60 | ) |
方程左边 = | ( | 11 | × | 60 | + | 57 | ) | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 21 | − | x | ) |
( | 11 | × | 60 | + | 57 | ) | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 21 | − | x | ) | = | ( | 87 2 | × | 60 | ) |
方程左边 = | 11 | × | 60 | + | 57 | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 21 | − | x | ) |
= | 660 | + | 57 | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 21 | − | x | ) |
= | 13979 6 | − | x | + | 2 3 | ( | 7 | × | 60 | + | 21 | − | x | ) |
= | 13979 6 | − | x | + | 2 3 | × | 7 | × | 60 | + | 2 3 | × | 21 | − | 2 3 | x |
= | 13979 6 | − | x | + | 280 | + | 14 | − | 2 3 | x |
= | 15743 6 | − | 5 3 | x |
15743 6 | − | 5 3 | x | = | ( | 87 2 | × | 60 | ) |
方程右边 = | 87 2 | × | 60 |
= | 2610 |
15743 6 | − | 5 3 | x | = | 2610 |
- | 5 3 | x | = | 2610 | − | 15743 6 |
- | 5 3 | x | = | - | 83 6 |
83 6 | = | 5 3 | x |
5 3 | x | = | 83 6 |
x | = | 83 6 | ÷ | 5 3 |
= | 83 6 | × | 3 5 |
= | 83 2 | × | 1 5 |
x | = | 83 10 |
x | = | 8.3 |