| ( | 59 20 | + | 397 100 | ) | ÷ | 2 | × | 13 10 | X | = | 175 |
| Left side of the equation = | ( | 59 20 | + | 397 100 | ) | × | 13 20 | X |
| ( | 59 20 | + | 397 100 | ) | × | 13 20 | X | = | 175 |
| Left side of the equation = | 59 20 | × | 13 20 | X | + | 397 100 | × | 13 20 | X |
| = | 767 400 | X | + | 5161 2000 | X |
| = | 2249 500 | X |
2249 500 | X | = | 175 |
| X | = | 175 | ÷ | 2249 500 |
| = | 175 | × | 500 2249 |
| X | = | 87500 2249 |
| X | = | 38.906181 |