100 | x | + | 50 | ( | x | + | 2 | ) | + | 100 | ( | 46 | − | 2 | x | ) | = | 1760 |
方程左边 = | 100 | x | + | 50 | x | + | 50 | × | 2 | + | 100 | ( | 46 | − | 2 | x | ) |
= | 100 | x | + | 50 | x | + | 100 | + | 100 | ( | 46 | − | 2 | x | ) |
= | 150 | x | + | 100 | + | 100 | ( | 46 | − | 2 | x | ) |
= | 150 | x | + | 100 | + | 100 | × | 46 | − | 100 | × | 2 | x |
= | 150 | x | + | 100 | + | 4600 | − | 200 | x |
= | - | 50 | x | + | 4700 |
- | 50 | x | + | 4700 | = | 1760 |
- | 50 | x | = | 1760 | − | 4700 |
- | 50 | x | = | - | 2940 |
2940 | = | 50 | x |
50 | x | = | 2940 |
x | = | 2940 | ÷ | 50 |
= | 2940 | × | 1 50 |
= | 294 | × | 1 5 |
x | = | 294 5 |
x | = | 58.8 |