( | 15 | × | 60 | + | 18 | ) | − | x | + | 9677 | ÷ | 6 | + | 2 | ( | 7 | × | 60 | + | 22 | − | x | ) | ÷ | 3 | = | ( | 87 2 | × | 60 | ) |
方程左边 = | ( | 15 | × | 60 | + | 18 | ) | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 22 | − | x | ) |
( | 15 | × | 60 | + | 18 | ) | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 22 | − | x | ) | = | ( | 87 2 | × | 60 | ) |
方程左边 = | 15 | × | 60 | + | 18 | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 22 | − | x | ) |
= | 900 | + | 18 | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 22 | − | x | ) |
= | 15185 6 | − | x | + | 2 3 | ( | 7 | × | 60 | + | 22 | − | x | ) |
= | 15185 6 | − | x | + | 2 3 | × | 7 | × | 60 | + | 2 3 | × | 22 | − | 2 3 | x |
= | 15185 6 | − | x | + | 280 | + | 44 3 | − | 2 3 | x |
= | 5651 2 | − | 5 3 | x |
5651 2 | − | 5 3 | x | = | ( | 87 2 | × | 60 | ) |
方程右边 = | 87 2 | × | 60 |
= | 2610 |
5651 2 | − | 5 3 | x | = | 2610 |
- | 5 3 | x | = | 2610 | − | 5651 2 |
- | 5 3 | x | = | - | 431 2 |
431 2 | = | 5 3 | x |
5 3 | x | = | 431 2 |
x | = | 431 2 | ÷ | 5 3 |
= | 431 2 | × | 3 5 |
x | = | 1293 10 |
x | = | 129.3 |