x | ÷ | 150 | + | 30 | ( | x | ÷ | 150 | ) | × | 50 100 | + | ( | x | ÷ | 150 | ) | × | 10 100 | = | x | + | ( | x | × | 40 100 | ) |
方程左边 = | x | × | 1 150 | + | 15 | ( | x | ÷ | 150 | ) | + | ( | x | ÷ | 150 | ) | × | 10 100 |
1 150 | x | + | 15 | ( | x | ÷ | 150 | ) | + | ( | x | ÷ | 150 | ) | × | 10 100 | = | x | + | ( | x | × | 40 100 | ) |
方程左边 = | 1 150 | x | + | 15 | x | ÷ | 150 | + | ( | x | ÷ | 150 | ) | × | 10 100 |
= | 1 150 | x | + | 1 10 | x | + | ( | x | ÷ | 150 | ) | × | 10 100 |
= | 8 75 | x | + | ( | x | ÷ | 150 | ) | × | 10 100 |
= | 8 75 | x | + | x | ÷ | 150 | × | 10 100 |
= | 8 75 | x | + | x | × | 1 1500 |
= | 161 1500 | x |
161 1500 | x | = | x | + | ( | x | × | 40 100 | ) |
方程右边 = | x | + | x | × | 40 100 |
= | 7 5 | x |
161 1500 | x | = | 7 5 | x |
161 1500 | x | − | 7 5 | x | = | 0 |
- | 1939 1500 | x | = | 0 |
- | 0 | = | 1939 1500 | x |
1939 1500 | x | = | - | 0 |
x | = | - | 0 | ÷ | 1939 1500 |
= | - | 0 | × | 1500 1939 |
x | = | 0 |