x | + | ( | x | ÷ | 87 4 | ÷ | 8 | × | 3 2 | ) | × | 4 | × | 30 | = | 5000 |
方程左边 = | x | + | ( | x | ÷ | 87 4 | ÷ | 8 | × | 3 2 | ) | × | 120 |
x | + | ( | x | ÷ | 87 4 | ÷ | 8 | × | 3 2 | ) | × | 120 | = | 5000 |
方程左边 = | x | + | x | ÷ | 87 4 | ÷ | 8 | × | 3 2 | × | 120 |
= | x | + | x | × | 30 29 |
= | 59 29 | x |
59 29 | x | = | 5000 |
x | = | 5000 | ÷ | 59 29 |
= | 5000 | × | 29 59 |
x | = | 145000 59 |
x | = | 2457.627119 |