| 74444 | − | 4780 | − | 15185 | ( | 1 | + | 233 500 | × | 3 | + | 20 100 | + | 25 100 | + | 144 500 | + | 431 500 | + | x | ) | = | 0 |
| Left side of the equation = | 69664 | − | 15185 | ( | 1 | + | 233 500 | × | 3 | + | 20 100 | + | 25 100 | + | 144 500 | + | 431 500 | + | x | ) |
| 69664 | − | 15185 | ( | 1 | + | 233 500 | × | 3 | + | 20 100 | + | 25 100 | + | 144 500 | + | 431 500 | + | x | ) | = | 0 |
| Left side of the equation = | 69664 | − | 15185 | × | 1 | − | 15185 | × | 233 500 | × | 3 | − | 15185 | × | 20 100 | − | 15185 | × | 25 100 | − | 15185 | × | 144 500 |
| = | 69664 | − | 15185 | − | 2122863 100 | − | 3037 | − | 15185 4 | − | 109332 25 | − | 1308947 100 | − | 15185 | x |
| = | 895437 100 | − | 15185 | x |
895437 100 | − | 15185 | x | = | 0 |
| - | 15185 | x | = | 0 | − | 895437 100 |
| - | 15185 | x | = | - | 895437 100 |
895437 100 | = | 15185 | x |
| 15185 | x | = | 895437 100 |
| x | = | 895437 100 | ÷ | 15185 |
| = | 895437 100 | × | 1 15185 |
| x | = | 895437 1518500 |
| x | = | 0.589685 |