( | 13 | × | 60 | + | 0 | ) | − | x | + | 9677 | ÷ | 6 | + | 2 | ( | 7 | × | 60 | + | 19 | − | x | ) | ÷ | 3 | = | ( | 87 2 | × | 60 | ) |
方程左边 = | ( | 13 | × | 60 | + | 0 | ) | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 19 | − | x | ) |
( | 13 | × | 60 | + | 0 | ) | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 19 | − | x | ) | = | ( | 87 2 | × | 60 | ) |
方程左边 = | 13 | × | 60 | + | 0 | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 19 | − | x | ) |
= | 780 | + | 0 | − | x | + | 9677 6 | + | 2 3 | ( | 7 | × | 60 | + | 19 | − | x | ) |
= | 14357 6 | − | x | + | 2 3 | ( | 7 | × | 60 | + | 19 | − | x | ) |
= | 14357 6 | − | x | + | 2 3 | × | 7 | × | 60 | + | 2 3 | × | 19 | − | 2 3 | x |
= | 14357 6 | − | x | + | 280 | + | 38 3 | − | 2 3 | x |
= | 5371 2 | − | 5 3 | x |
5371 2 | − | 5 3 | x | = | ( | 87 2 | × | 60 | ) |
方程右边 = | 87 2 | × | 60 |
= | 2610 |
5371 2 | − | 5 3 | x | = | 2610 |
- | 5 3 | x | = | 2610 | − | 5371 2 |
- | 5 3 | x | = | - | 151 2 |
151 2 | = | 5 3 | x |
5 3 | x | = | 151 2 |
x | = | 151 2 | ÷ | 5 3 |
= | 151 2 | × | 3 5 |
x | = | 453 10 |
x | = | 45.3 |