| 10 | ÷ | 4457 50 | + | X | ÷ | 1000 | + | ( | 316 5 | − | X | ) | ÷ | 200 | + | 7 | ÷ | 447 10 | + | 5 | ÷ | 451 10 | = | 3 5 |
| Left side of the equation = | 500 4457 | + | X | × | 1 1000 | + | ( | 316 5 | − | X | ) | × | 1 200 | + | 70 447 | + | 50 451 |
| = | 341119940 898517829 | + | 1 1000 | X | + | ( | 316 5 | − | X | ) | × | 1 200 |
341119940 898517829 | + | 1 1000 | X | + | ( | 316 5 | − | X | ) | × | 1 200 | = | 3 5 |
| Left side of the equation = | 341119940 898517829 | + | 1 1000 | X | + | 316 5 | × | 1 200 | − | X | × | 1 200 |
| = | 341119940 898517829 | + | 1 1000 | X | + | 79 250 | − | X | × | 1 200 |