x | − | ( | x | − | 5000 | − | 8966 25 | ) | × | 3 100 | − | 8966 25 | = | 7000 |
方程左边 = | x | − | x | × | 3 100 | + | 5000 | × | 3 100 | + | 8966 25 | × | 3 100 | − | 8966 25 |
= | x | − | x | × | 3 100 | + | 150 | + | 13449 1250 | − | 8966 25 |
= | 97 100 | x | − | 247351 1250 |
97 100 | x | − | 247351 1250 | = | 7000 |
97 100 | x | = | 7000 | + | 247351 1250 |
97 100 | x | = | 8997351 1250 |
x | = | 8997351 1250 | ÷ | 97 100 |
= | 8997351 1250 | × | 100 97 |
= | 8997351 25 | × | 2 97 |
x | = | 17994702 2425 |
x | = | 7420.49567 |