x | × | 1 10 | + | x | ( | 1 | + | 1 20 | ) | + | 200 | + | x | × | 3 20 | + | ( | x | + | x | × | 3 20 | ) | × | 331 2000 | = | 11250 |
方程左边 = | 1 4 | x | + | x | ( | 1 | + | 1 20 | ) | + | 200 | + | ( | x | + | x | × | 3 20 | ) | × | 331 2000 |
1 4 | x | + | x | ( | 1 | + | 1 20 | ) | + | 200 | + | ( | x | + | x | × | 3 20 | ) | × | 331 2000 | = | 11250 |
方程左边 = | 1 4 | x | + | x | × | 1 | + | x | × | 1 20 | + | 200 | + | ( | x | + | x | × | 3 20 | ) | × | 331 2000 |
= | 13 10 | x | + | 200 | + | ( | x | + | x | × | 3 20 | ) | × | 331 2000 |
= | 13 10 | x | + | 200 | + | x | × | 331 2000 | + | x | × | 3 20 | × | 331 2000 |
= | 13 10 | x | + | 200 | + | x | × | 331 2000 | + | x | × | 993 40000 |
= | 59613 40000 | x | + | 200 |
59613 40000 | x | + | 200 | = | 11250 |
59613 40000 | x | = | 11250 | − | 200 |
59613 40000 | x | = | 11050 |
x | = | 11050 | ÷ | 59613 40000 |
= | 11050 | × | 40000 59613 |
x | = | 442000000 59613 |
x | = | 7414.490128 |