10000 | ÷ | 70 | × | ( | x | + | 60 | ) | + | ( | 150 | − | 10000 | ÷ | 70 | ) | x | = | 36000 |
方程左边 = | 1000 7 | ( | x | + | 60 | ) | + | ( | 150 | − | 10000 | ÷ | 70 | ) | x |
1000 7 | ( | x | + | 60 | ) | + | ( | 150 | − | 10000 | ÷ | 70 | ) | x | = | 36000 |
方程左边 = | 1000 7 | x | + | 1000 7 | × | 60 | + | ( | 150 | − | 10000 | ÷ | 70 | ) | x |
= | 1000 7 | x | + | 60000 7 | + | ( | 150 | − | 10000 | ÷ | 70 | ) | x |
= | 1000 7 | x | + | 60000 7 | + | 150 | x | − | 10000 | ÷ | 70 | × | x |
= | 1000 7 | x | + | 60000 7 | + | 150 | x | − | 1000 7 | x |
= | 150 | x | + | 60000 7 |
150 | x | + | 60000 7 | = | 36000 |
150 | x | = | 36000 | − | 60000 7 |
150 | x | = | 192000 7 |
x | = | 192000 7 | ÷ | 150 |
= | 192000 7 | × | 1 150 |
= | 1280 7 | × | 1 |
x | = | 1280 7 |
x | = | 182.857143 |