( | x | − | 1 | ) | × | 1 100 | × | 2 | = | 4 100 | × | 3 | + | 1 |
方程左边 = | ( | x | − | 1 | ) | × | 1 50 |
( | x | − | 1 | ) | × | 1 50 | = | 4 100 | × | 3 | + | 1 |
方程左边 = | x | × | 1 50 | − | 1 | × | 1 50 |
= | x | × | 1 50 | − | 1 50 |
1 50 | x | − | 1 50 | = | 4 100 | × | 3 | + | 1 |
方程右边 = | 3 25 | + | 1 |
= | 28 25 |
1 50 | x | − | 1 50 | = | 28 25 |
1 50 | x | = | 28 25 | + | 1 50 |
1 50 | x | = | 57 50 |
x | = | 57 50 | ÷ | 1 50 |
= | 57 50 | × | 50 |
= | 57 | × | 1 |
x | = | 57 |