x | = | ( | 2 5 | x | − | 5 | ) | × | 3 100 | + | ( | 2 5 | x | − | 5 | ) | × | 97 100 | × | 1 5 | + | 10 | + | 80 | + | 3 5 | x |
方程右边 = | ( | 2 5 | x | − | 5 | ) | × | 3 100 | + | ( | 2 5 | x | − | 5 | ) | × | 97 500 | + | 10 | + | 80 | + | 3 5 | x |
= | ( | 2 5 | x | − | 5 | ) | × | 3 100 | + | ( | 2 5 | x | − | 5 | ) | × | 97 500 | + | 90 | + | 3 5 | x |
x | = | ( | 2 5 | x | − | 5 | ) | × | 3 100 | + | ( | 2 5 | x | − | 5 | ) | × | 97 500 | + | 90 | + | 3 5 | x |
方程右边 = | 2 5 | x | × | 3 100 | − | 5 | × | 3 100 | + | ( | 2 5 | x | − | 5 | ) | × | 97 500 | + | 90 | + | 3 5 | x |
= | 3 250 | x | − | 3 20 | + | ( | 2 5 | x | − | 5 | ) | × | 97 500 | + | 90 | + | 3 5 | x |
= | 153 250 | x | + | 1797 20 | + | ( | 2 5 | x | − | 5 | ) | × | 97 500 |
= | 153 250 | x | + | 1797 20 | + | 2 5 | x | × | 97 500 | − | 5 | × | 97 500 |
= | 153 250 | x | + | 1797 20 | + | 97 1250 | x | − | 97 100 |
= | 431 625 | x | + | 2222 25 |
x | = | 431 625 | x | + | 2222 25 |
x | − | 431 625 | x | = | 2222 25 |
194 625 | x | = | 2222 25 |
x | = | 2222 25 | ÷ | 194 625 |
= | 2222 25 | × | 625 194 |
= | 1111 | × | 25 97 |
x | = | 27775 97 |
x | = | 286.340206 |