| ( | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | ÷ | 5 | − | X | ) | ÷ | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | ÷ | 5 | × | 1 4 | = | ( | X | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | ÷ | 5 | ) | ÷ | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | ÷ | 5 | × | 1 2 |
| Multiply both sides of the equation by: | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | , | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) |
| ( | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | ÷ | 5 | − | X | ) | ÷ | 5 | × | 1 4 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | ( | X | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | ÷ | 5 | ) | ÷ | 5 | × | 1 2 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
| ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | ÷ | 5 | ÷ | 5 | × | 1 4 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | ÷ | 5 | × | 1 4 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | ( | X | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | ÷ | 5 | ) | ÷ | 5 | × | 1 2 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
| ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | ÷ | 5 | ÷ | 5 | × | 1 4 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | ÷ | 5 | × | 1 4 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | X | ÷ | 5 | × | 1 2 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | ÷ | 5 | ÷ | 5 | × | 1 2 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
| ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | X | × | 1 10 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
100 100 | ( | 5 | − | 1 | ) | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | X | × | 1 10 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
100 100 | ( | 5 | − | 1 | ) | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | X | × | 1 10 | × | 100 100 | ( | 5 | − | 1 | ) | + | X | × | 1 10 | X | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
1 100 | ( | 5 | − | 1 | ) | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | X | × | 1 10 | ( | 5 | − | 1 | ) | + | X | × | 1 10 | X | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
1 100 | × | 5 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | 1 100 | × | 1 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | X | × | 1 10 | ( | 5 | − | 1 | ) | + | X | × | 1 10 | X | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
1 100 | × | 5 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | 1 100 | × | 1 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | X | × | 1 10 | × | 5 | − | X | × | 1 10 | × | 1 | + | X | × | 1 10 | X | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | X | × | 1 2 | − | X | × | 1 10 | + | X | × | 1 10 | X | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | 2 5 | X | + | X | × | 1 10 | X | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
1 20 | × | 85 100 | ( | 5 | − | 1 | ) | + | 1 20 | X | − | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | = | 2 5 | X | + | X | × | 1 10 | X | − | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
1 20 | × | 85 100 | ( | 5 | − | 1 | ) | + | 1 20 | X | − | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | = | 2 5 | X | + | X | × | 1 10 | X | − | 85 100 | ( | 5 | − | 1 | ) | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
17 400 | ( | 5 | − | 1 | ) | + | 1 20 | X | − | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | 2 5 | X | + | X | × | 1 10 | X | − | 17 1000 | ( | 5 | − | 1 | ) | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
17 400 | × | 5 | − | 17 400 | × | 1 | + | 1 20 | X | − | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | = | 2 5 | X | + | X | × | 1 10 | X | − | 17 1000 | ( | 5 | − | 1 | ) | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
17 400 | × | 5 | − | 17 400 | × | 1 | + | 1 20 | X | − | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | = | 2 5 | X | + | X | × | 1 10 | X | − | 17 1000 | × | 5 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | + | 17 1000 | × | 1 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X |
17 80 | − | 17 400 | + | 1 20 | X | − | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | 2 5 | X | + | X | × | 1 10 | X | − | 17 200 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | + | 17 1000 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
17 100 | + | 1 20 | X | − | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | 2 5 | X | + | X | × | 1 10 | X | − | 17 200 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | + | 17 1000 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
17 100 | + | 1 20 | X | − | 1 100 | × | 85 100 | ( | 5 | − | 1 | ) | − | 1 100 | X | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | = | 2 5 | X | + | X | × | 1 10 | X | − | 17 200 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | + | 17 1000 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
17 100 | + | 1 20 | X | − | 1 100 | × | 85 100 | ( | 5 | − | 1 | ) | − | 1 100 | X | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | = | 2 5 | X | + | X | × | 1 10 | X | − | 17 200 | × | 100 100 | ( | 5 | − | 1 | ) | − | 17 200 | X | + | 17 1000 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
17 100 | + | 1 20 | X | − | 17 2000 | ( | 5 | − | 1 | ) | − | 1 100 | X | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | = | 2 5 | X | + | X | × | 1 10 | X | − | 17 200 | ( | 5 | − | 1 | ) | − | 17 200 | X | + | 17 1000 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X |
17 100 | + | 1 25 | X | − | 17 2000 | ( | 5 | − | 1 | ) | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | = | 63 200 | X | + | X | × | 1 10 | X | − | 17 200 | ( | 5 | − | 1 | ) | + | 17 1000 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |
17 100 | + | 1 25 | X | − | 17 2000 | × | 5 | + | 17 2000 | × | 1 | + | X | × | 1 100 | ( | 85 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 20 | = | 63 200 | X | + | X | × | 1 10 | X | − | 17 200 | ( | 5 | − | 1 | ) | + | 17 1000 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) | − | X | × | 1 50 | ( | 100 100 | ( | 5 | − | 1 | ) | + | X | ) |