| 500 | ( | X | × | 2 | + | 900 | ) | ÷ | 2 | ÷ | 157 50 | ÷ | ( | X | × | 2 | + | 900 | ) | ÷ | ( | X | × | 2 | + | 900 | + | 49 5 | ) | = | 100 |
| Multiply both sides of the equation by: | ( | X | × | 2 | + | 900 | ) |
| 500 | ( | X | × | 2 | + | 900 | ) | ÷ | 2 | ÷ | 157 50 | ÷ | ( | X | × | 2 | + | 900 | + | 49 5 | ) | = | 100 | ( | X | × | 2 | + | 900 | ) |
| 500 | X | × | 2 | ÷ | 2 | ÷ | 157 50 | ÷ | ( | X | × | 2 | + | 900 | + | 49 5 | ) | + | 500 | × | 900 | ÷ | 2 | ÷ | 157 50 | ÷ | ( | X | × | 2 | + | 900 | + | 49 5 | ) | = | 100 | ( | X | × | 2 | + | 900 | ) |
| 500 | X | × | 2 | ÷ | 2 | ÷ | 157 50 | ÷ | ( | X | × | 2 | + | 900 | + | 49 5 | ) | + | 500 | × | 900 | ÷ | 2 | ÷ | 157 50 | ÷ | ( | X | × | 2 | + | 900 | + | 49 5 | ) | = | 100 | X | × | 2 | + | 100 | × | 900 |
25000 157 | X | ÷ | ( | X | × | 2 | + | 900 | + | 49 5 | ) | + | 11250000 157 | ÷ | ( | X | × | 2 | + | 900 | + | 49 5 | ) | = | 200 | X | + | 90000 |
| Multiply both sides of the equation by: | ( | X | × | 2 | + | 900 | + | 49 5 | ) |
25000 157 | X | + | 11250000 157 | = | 200 | X | ( | X | × | 2 | + | 900 | + | 49 5 | ) | + | 90000 | ( | X | × | 2 | + | 900 | + | 49 5 | ) |
25000 157 | X | + | 11250000 157 | = | 200 | X | X | × | 2 | + | 200 | X | × | 900 | + | 200 | X | × | 49 5 | + | 90000 | ( | X | × | 2 | + | 900 | + | 49 5 | ) |
25000 157 | X | + | 11250000 157 | = | 400 | X | X | + | 180000 | X | + | 1960 | X | + | 90000 | ( | X | × | 2 | + | 900 | + | 49 5 | ) |
25000 157 | X | + | 11250000 157 | = | 400 | X | X | + | 181960 | X | + | 90000 | ( | X | × | 2 | + | 900 | + | 49 5 | ) |
25000 157 | X | + | 11250000 157 | = | 400 | X | X | + | 181960 | X | + | 90000 | X | × | 2 | + | 90000 | × | 900 | + | 90000 | × | 49 5 |
25000 157 | X | + | 11250000 157 | = | 400 | X | X | + | 181960 | X | + | 180000 | X | + | 81000000 | + | 882000 |
25000 157 | X | + | 11250000 157 | = | 400 | X | X | + | 361960 | X | + | 81882000 |