157 50 | × | 100 | ( | X | X | + | 50 | × | 50 | + | 50 | X | ) | ÷ | 3 | = | 10205000 |
| Left side of the equation = | 314 3 | ( | X | X | + | 50 | × | 50 | + | 50 | X | ) |
314 3 | ( | X | X | + | 50 | × | 50 | + | 50 | X | ) | = | 10205000 |
| Left side of the equation = | 314 3 | X | X | + | 314 3 | × | 50 | × | 50 | + | 314 3 | × | 50 | X |
| = | 314 3 | X | X | + | 785000 3 | + | 15700 3 | X |
314 3 | X | X | + | 785000 3 | + | 15700 3 | X | = | 10205000 |