| 15 | x | + | ( | x | × | 27 25 | + | 5 2 | ) | + | 3 20 | x | + | ( | 15 | × | 21 125 | ) | = | 37289 50 |
| Left side of the equation = | 303 20 | x | + | ( | x | × | 27 25 | + | 5 2 | ) | + | ( | 15 | × | 21 125 | ) |
303 20 | x | + | ( | x | × | 27 25 | + | 5 2 | ) | + | ( | 15 | × | 21 125 | ) | = | 37289 50 |
| Left side of the equation = | 303 20 | x | + | x | × | 27 25 | + | 5 2 | + | ( | 15 | × | 21 125 | ) |
| = | 1623 100 | x | + | 5 2 | + | ( | 15 | × | 21 125 | ) |
| = | 1623 100 | x | + | 5 2 | + | 15 | × | 21 125 |
| = | 1623 100 | x | + | 5 2 | + | 63 25 |
| = | 1623 100 | x | + | 251 50 |
1623 100 | x | + | 251 50 | = | 37289 50 |
1623 100 | x | = | 37289 50 | − | 251 50 |
1623 100 | x | = | 18519 25 |
| x | = | 18519 25 | ÷ | 1623 100 |
| = | 18519 25 | × | 100 1623 |
| = | 6173 | × | 4 541 |
| x | = | 24692 541 |
| x | = | 45.641405 |