( | x | − | 300 | ) | × | 39 50 | + | x | − | 300 | = | x | × | 22 25 |
方程左边 = | x | × | 39 50 | − | 300 | × | 39 50 | + | x | − | 300 |
= | x | × | 39 50 | − | 234 | + | x | − | 300 |
= | 89 50 | x | − | 534 |
89 50 | x | − | 534 | = | x | × | 22 25 |
89 50 | x | − | 22 25 | x | = | 534 |
9 10 | x | = | 534 |
x | = | 534 | ÷ | 9 10 |
= | 534 | × | 10 9 |
= | 178 | × | 10 3 |
x | = | 1780 3 |
x | = | 593.333333 |