1311 100 | x | = | 399 50 | ( | 16 5 | + | x | ) |
| Right side of the equation = | 399 50 | × | 16 5 | + | 399 50 | x |
| = | 3192 125 | + | 399 50 | x |
1311 100 | x | = | 3192 125 | + | 399 50 | x |
1311 100 | x | − | 399 50 | x | = | 3192 125 |
513 100 | x | = | 3192 125 |
| x | = | 3192 125 | ÷ | 513 100 |
| = | 3192 125 | × | 100 513 |
| = | 1064 5 | × | 4 171 |
| x | = | 4256 855 |
| x | = | 224 45 |
| x | = | 4.977778 |