| x | + | 8 100 | x | + | ( | ( | x | + | 8 100 | x | ) | × | 4 | ) | = | 229 |
| Left side of the equation = | 27 25 | x | + | ( | ( | x | + | 8 100 | x | ) | × | 4 | ) |
27 25 | x | + | ( | ( | x | + | 8 100 | x | ) | × | 4 | ) | = | 229 |
| Left side of the equation = | 27 25 | x | + | ( | x | + | 8 100 | x | ) | × | 4 |
| = | 27 25 | x | + | x | × | 4 | + | 8 100 | x | × | 4 |
| = | 27 25 | x | + | x | × | 4 | + | 8 25 | x |
| = | 27 5 | x |
27 5 | x | = | 229 |
| x | = | 229 | ÷ | 27 5 |
| = | 229 | × | 5 27 |
| x | = | 1145 27 |
| x | = | 42.407407 |