| ( | x | − | 144 | ) | − | ( | x | − | 240 | ) | ÷ | ( | x | − | 240 | ) | = | 1 10 |
| Multiply both sides of the equation by: | ( | x | − | 240 | ) |
| ( | x | − | 144 | ) | ( | x | − | 240 | ) | − | ( | x | − | 240 | ) | = | 1 10 | ( | x | − | 240 | ) |
| x | ( | x | − | 240 | ) | − | 144 | ( | x | − | 240 | ) | − | ( | x | − | 240 | ) | = | 1 10 | ( | x | − | 240 | ) |
| x | ( | x | − | 240 | ) | − | 144 | ( | x | − | 240 | ) | − | ( | x | − | 240 | ) | = | 1 10 | x | − | 1 10 | × | 240 |
| x | ( | x | − | 240 | ) | − | 144 | ( | x | − | 240 | ) | − | ( | x | − | 240 | ) | = | 1 10 | x | − | 24 |
| x | x | − | x | × | 240 | − | 144 | ( | x | − | 240 | ) | − | ( | x | − | 240 | ) | = | 1 10 | x | − | 24 |
| x | x | − | 240 | x | − | 144 | x | + | 144 | × | 240 | − | ( | x | − | 240 | ) | = | 1 10 | x | − | 24 |
| x | x | − | 240 | x | − | 144 | x | + | 34560 | − | ( | x | − | 240 | ) | = | 1 10 | x | − | 24 |
| x | x | − | 384 | x | + | 34560 | − | ( | x | − | 240 | ) | = | 1 10 | x | − | 24 |
| x | x | − | 384 | x | + | 34560 | − | x | + | 240 | = | 1 10 | x | − | 24 |
| x | x | − | 385 | x | + | 34800 | = | 1 10 | x | − | 24 |
| x= | 1451 10 |