| 10 | ÷ | ( | 10 | ( | x | + | 19 5 | ) | ÷ | ( | 69 5 | + | x | ) | + | 10 | ) | = | 273 100 | ÷ | 12 |
| Multiply both sides of the equation by: | ( | 10 | ( | x | + | 19 5 | ) | ÷ | ( | 69 5 | + | x | ) | + | 10 | ) |
| 10 | = | 273 100 | ÷ | 12 | × | ( | 10 | ( | x | + | 19 5 | ) | ÷ | ( | 69 5 | + | x | ) | + | 10 | ) |
| 10 | = | 273 100 | ÷ | 12 | × | 10 | ( | x | + | 19 5 | ) | ÷ | ( | 69 5 | + | x | ) | + | 273 100 | ÷ | 12 | × | 10 |
| 10 | = | 91 40 | ( | x | + | 19 5 | ) | ÷ | ( | 69 5 | + | x | ) | + | 91 40 |
| Multiply both sides of the equation by: | ( | 69 5 | + | x | ) |
| 10 | ( | 69 5 | + | x | ) | = | 91 40 | ( | x | + | 19 5 | ) | + | 91 40 | ( | 69 5 | + | x | ) |
| 10 | × | 69 5 | + | 10 | x | = | 91 40 | ( | x | + | 19 5 | ) | + | 91 40 | ( | 69 5 | + | x | ) |
| 10 | × | 69 5 | + | 10 | x | = | 91 40 | x | + | 91 40 | × | 19 5 | + | 91 40 | ( | 69 5 | + | x | ) |
| 138 | + | 10 | x | = | 91 40 | x | + | 1729 200 | + | 91 40 | ( | 69 5 | + | x | ) |
| 138 | + | 10 | x | = | 91 40 | x | + | 1729 200 | + | 91 40 | × | 69 5 | + | 91 40 | x |
| 138 | + | 10 | x | = | 91 40 | x | + | 1729 200 | + | 6279 200 | + | 91 40 | x |
| 138 | + | 10 | x | = | 91 20 | x | + | 1001 25 |
| 10 | x | − | 91 20 | x | = | 1001 25 | − | 138 |
109 20 | x | = | 1001 25 | − | 138 |
109 20 | x | = | - | 2449 25 |
| x | = | - | 2449 25 | ÷ | 109 20 |
| = | - | 2449 25 | × | 20 109 |
| = | - | 2449 5 | × | 4 109 |
| x | = | - | 9796 545 |
| x | = | - 17.974312 |