| ( | x | − | 13 2 | ) | × | 445 | ÷ | 365 | = | 13281 50 |
| Left side of the equation = | ( | x | − | 13 2 | ) | × | 89 73 |
| ( | x | − | 13 2 | ) | × | 89 73 | = | 13281 50 |
| Left side of the equation = | x | × | 89 73 | − | 13 2 | × | 89 73 |
| = | x | × | 89 73 | − | 1157 146 |
89 73 | x | − | 1157 146 | = | 13281 50 |
89 73 | x | = | 13281 50 | + | 1157 146 |
89 73 | x | = | 499219 1825 |
| x | = | 499219 1825 | ÷ | 89 73 |
| = | 499219 1825 | × | 73 89 |
| = | 499219 25 | × | 1 89 |
| x | = | 499219 2225 |
| x | = | 224.36809 |