( | 3 | − | 4 | x | ) | ÷ | 180 | + | x | ÷ | 34 | + | ( | x | − | 30 | ) | ÷ | 60 | = | 3 |
方程左边 = | 3 | × | 1 180 | − | 4 | x | × | 1 180 | + | 1 34 | x | + | ( | x | − | 30 | ) | × | 1 60 |
= | 1 60 | − | 1 45 | x | + | 1 34 | x | + | ( | x | − | 30 | ) | × | 1 60 |
= | 1 60 | + | 11 1530 | x | + | ( | x | − | 30 | ) | × | 1 60 |
= | 1 60 | + | 11 1530 | x | + | x | × | 1 60 | − | 30 | × | 1 60 |
= | 1 60 | + | 11 1530 | x | + | x | × | 1 60 | − | 1 2 |
= | - | 29 60 | + | 73 3060 | x |
- | 29 60 | + | 73 3060 | x | = | 3 |
73 3060 | x | = | 3 | + | 29 60 |
73 3060 | x | = | 209 60 |
x | = | 209 60 | ÷ | 73 3060 |
= | 209 60 | × | 3060 73 |
= | 209 | × | 51 73 |
x | = | 10659 73 |
x | = | 146.013699 |