| ( | x | − | 13 2 | ) | × | 445 | × | 365 | = | 13281 50 |
| Left side of the equation = | ( | x | − | 13 2 | ) | × | 162425 |
| ( | x | − | 13 2 | ) | × | 162425 | = | 13281 50 |
| Left side of the equation = | x | × | 162425 | − | 13 2 | × | 162425 |
| = | x | × | 162425 | − | 2111525 2 |
| 162425 | x | − | 2111525 2 | = | 13281 50 |
| 162425 | x | = | 13281 50 | + | 2111525 2 |
| 162425 | x | = | 26400703 25 |
| x | = | 26400703 25 | ÷ | 162425 |
| = | 26400703 25 | × | 1 162425 |
| x | = | 26400703 4060625 |
| x | = | 6.501635 |