| ( | 40 | ÷ | X | + | 17 2 | ) | ÷ | ( | 50 | ÷ | X | + | 34 5 | ) | = | 57 1000 | ÷ | 493 1000 |
| Multiply both sides of the equation by: | ( | 50 | ÷ | X | + | 34 5 | ) |
| ( | 40 | ÷ | X | + | 17 2 | ) | = | 57 1000 | ÷ | 493 1000 | × | ( | 50 | ÷ | X | + | 34 5 | ) |
| 40 | ÷ | X | + | 17 2 | = | 57 1000 | ÷ | 493 1000 | × | ( | 50 | ÷ | X | + | 34 5 | ) |
| 40 | ÷ | X | + | 17 2 | = | 57 1000 | ÷ | 493 1000 | × | 50 | ÷ | X | + | 57 1000 | ÷ | 493 1000 | × | 34 5 |
| 40 | ÷ | X | + | 17 2 | = | 2850 493 | ÷ | X | + | 114 145 |
| Multiply both sides of the equation by: | X |
| 40 | + | 17 2 | X | = | 2850 493 | ÷ | 1 | × | 1 | + | 114 145 | X |
17 2 | X | − | 114 145 | X | = | 2850 493 | ÷ | 1 | × | 1 | − | 40 |
17 2 | X | − | 114 145 | X | = | 2850 493 | − | 40 |
2237 290 | X | = | 2850 493 | − | 40 |
2237 290 | X | = | - | 16870 493 |
| X | = | - | 16870 493 | ÷ | 2237 290 |
| = | - | 16870 493 | × | 290 2237 |
| X | = | - | 4892300 1102841 |
| X | = | - | 168700 38029 |
| X | = | - 4.436088 |