| ( | 4200 | x | ( | 1 | − | 93 100 | ) | − | 84000 | ) | × | 20 100 | + | 4200 | x | × | 5 100 | − | ( | ( | x | − | 2418 | ) | × | 4200 | + | 84000 | ) | = | 320000 |
| 方程左边 = | ( | 4200 | x | ( | 1 | − | 93 100 | ) | − | 84000 | ) | × | 20 100 | + | 210 | x | − | ( | ( | x | − | 2418 | ) | × | 4200 | + | 84000 | ) |
| ( | 4200 | x | ( | 1 | − | 93 100 | ) | − | 84000 | ) | × | 20 100 | + | 210 | x | − | ( | ( | x | − | 2418 | ) | × | 4200 | + | 84000 | ) | = | 320000 |
| 方程左边 = | 4200 | x | ( | 1 | − | 93 100 | ) | × | 20 100 | − | 84000 | × | 20 100 | + | 210 | x | − | ( | ( | x | − | 2418 | ) | × | 4200 | + | 84000 | ) |
| = | 840 | x | ( | 1 | − | 93 100 | ) | − | 16800 | + | 210 | x | − | ( | ( | x | − | 2418 | ) | × | 4200 | + | 84000 | ) |
| = | 840 | x | × | 1 | − | 840 | x | × | 93 100 | − | 16800 | + | 210 | x | − | ( | ( | x | − | 2418 | ) | × | 4200 | + | 84000 | ) |
| = | 840 | x | − | 3906 5 | x | − | 16800 | + | 210 | x | − | ( | ( | x | − | 2418 | ) | × | 4200 | + | 84000 | ) |
| = | 1344 5 | x | − | 16800 | − | ( | ( | x | − | 2418 | ) | × | 4200 | + | 84000 | ) |
| = | 1344 5 | x | − | 16800 | − | ( | x | − | 2418 | ) | × | 4200 | − | 84000 |
| = | 1344 5 | x | − | 100800 | − | ( | x | − | 2418 | ) | × | 4200 |
| = | 1344 5 | x | − | 100800 | − | x | × | 4200 | + | 2418 | × | 4200 |
| = | 1344 5 | x | − | 100800 | − | x | × | 4200 | + | 10155600 |
| = | - | 19656 5 | x | + | 10054800 |
| - | 19656 5 | x | + | 10054800 | = | 320000 |
| - | 19656 5 | x | = | 320000 | − | 10054800 |
| - | 19656 5 | x | = | - | 9734800 |
| 9734800 | = | 19656 5 | x |
19656 5 | x | = | 9734800 |
| x | = | 9734800 | ÷ | 19656 5 |
| = | 9734800 | × | 5 19656 |
| = | 1216850 | × | 5 2457 |
| x | = | 6084250 2457 |
| x | = | 2476.292226 |