| x | = | ( | 194 5 | + | ( | 519 5 | − | 194 5 | ) | ÷ | ( | 3000 | − | 1000 | ) | × | ( | 120077 50 | − | x | − | 1000 | ) | ) | × | 6 5 | × | 17 20 | × | 1 |
| x | = | 194 5 | × | 6 5 | × | 17 20 | × | 1 | + | ( | 519 5 | − | 194 5 | ) | ÷ | ( | 3000 | − | 1000 | ) | × | ( | 120077 50 | − | x | − | 1000 | ) | × | 6 5 | × | 17 20 | × | 1 |
| x | = | 4947 125 | + | ( | 519 5 | − | 194 5 | ) | ÷ | ( | 3000 | − | 1000 | ) | × | ( | 120077 50 | − | x | − | 1000 | ) | × | 51 50 |
| 方程两边同时乘以: | ( | 3000 | − | 1000 | ) |
| x | ( | 3000 | − | 1000 | ) | = | 4947 125 | ( | 3000 | − | 1000 | ) | + | ( | 519 5 | − | 194 5 | ) | ( | 120077 50 | − | x | − | 1000 | ) | × | 51 50 |
| x | × | 3000 | − | x | × | 1000 | = | 4947 125 | ( | 3000 | − | 1000 | ) | + | ( | 519 5 | − | 194 5 | ) | ( | 120077 50 | − | x | − | 1000 | ) | × | 51 50 |
| x | × | 3000 | − | x | × | 1000 | = | 4947 125 | × | 3000 | − | 4947 125 | × | 1000 | + | ( | 519 5 | − | 194 5 | ) | ( | 120077 50 | − | x | − | 1000 | ) | × | 51 50 |
| x | × | 3000 | − | x | × | 1000 | = | 118728 | − | 39576 | + | ( | 519 5 | − | 194 5 | ) | ( | 120077 50 | − | x | − | 1000 | ) | × | 51 50 |
| 2000 | x | = | 79152 | + | ( | 519 5 | − | 194 5 | ) | ( | 120077 50 | − | x | − | 1000 | ) | × | 51 50 |
| 2000 | x | = | 79152 | + | 519 5 | ( | 120077 50 | − | x | − | 1000 | ) | × | 51 50 | − | 194 5 | ( | 120077 50 | − | x | − | 1000 | ) | × | 51 50 |
| 2000 | x | = | 79152 | + | 26469 250 | ( | 120077 50 | − | x | − | 1000 | ) | − | 4947 125 | ( | 120077 50 | − | x | − | 1000 | ) |
| 2000 | x | = | 79152 | + | 26469 250 | × | 120077 50 | − | 26469 250 | x | − | 26469 250 | × | 1000 | − | 4947 125 | ( | 120077 50 | − | x | − | 1000 | ) |
| 2000 | x | = | 79152 | + | 3178318113 12500 | − | 26469 250 | x | − | 105876 | − | 4947 125 | ( | 120077 50 | − | x | − | 1000 | ) |
| 2000 | x | = | 2844268113 12500 | − | 26469 250 | x | − | 4947 125 | ( | 120077 50 | − | x | − | 1000 | ) |
| 2000 | x | = | 2844268113 12500 | − | 26469 250 | x | − | 4947 125 | × | 120077 50 | + | 4947 125 | x | + | 4947 125 | × | 1000 |
| 2000 | x | = | 2844268113 12500 | − | 26469 250 | x | − | 594020919 6250 | + | 4947 125 | x | + | 39576 |