| ( | 2 5 | X | − | 2500 | − | 7500 | × | 1 20 | − | 3000 | ( | 2 25 | ÷ | 3 4 | ) | − | 4000 | × | 3 50 | ) | ÷ | 500 | = | ( | 2 5 | X | − | 2500 | − | 7500 | × | 1 20 | − | 3000 | ( | 2 25 | ÷ | 3 4 | ) | ) | ÷ | ( | 500 | + | 4000 | ÷ | 16 | ) |
| Multiply both sides of the equation by: | ( | 500 | + | 4000 | ÷ | 16 | ) |
| ( | 2 5 | X | − | 2500 | − | 7500 | × | 1 20 | − | 3000 | ( | 2 25 | ÷ | 3 4 | ) | − | 4000 | × | 3 50 | ) | ÷ | 500 | × | ( | 500 | + | 4000 | ÷ | 16 | ) | = | ( | 2 5 | X | − | 2500 | − | 7500 | × | 1 20 | − | 3000 | ( | 2 25 | ÷ | 3 4 | ) | ) |
2 5 | X | ÷ | 500 | × | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 2500 | ÷ | 500 | × | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 7500 | × | 1 20 | ÷ | 500 | × | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 3000 | = | ( | 2 5 | X | − | 2500 | − | 7500 | × | 1 20 | − | 3000 | ( | 2 25 | ÷ | 3 4 | ) | ) |
2 5 | X | ÷ | 500 | × | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 2500 | ÷ | 500 | × | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 7500 | × | 1 20 | ÷ | 500 | × | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 3000 | = | 2 5 | X | − | 2500 | − | 7500 | × | 1 20 | − | 3000 | ( | 2 25 | ÷ | 3 4 | ) |
1 1250 | X | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 5 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 3 4 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 6 | ( | 2 25 | ÷ | 3 4 | ) | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 2500 | − | 375 | − | 3000 | ( | 2 25 | ÷ | 3 4 | ) |
1 1250 | X | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 5 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 3 4 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 6 | ( | 2 25 | ÷ | 3 4 | ) | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 2875 | − | 3000 | ( | 2 25 | ÷ | 3 4 | ) |
1 1250 | X | × | 500 | + | 1 1250 | X | × | 4000 | ÷ | 16 | − | 5 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 3 4 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 6 | = | 2 5 | X | − | 2875 | − | 3000 | ( | 2 25 | ÷ | 3 4 | ) |
1 1250 | X | × | 500 | + | 1 1250 | X | × | 4000 | ÷ | 16 | − | 5 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 3 4 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 6 | = | 2 5 | X | − | 2875 | − | 3000 | × | 2 25 | ÷ | 3 4 |
2 5 | X | + | 1 5 | X | − | 5 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 3 4 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 6 | ( | 2 25 | ÷ | 3 4 | ) | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 12 25 | = | 2 5 | X | − | 2875 | − | 320 |
3 5 | X | − | 5 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 3 4 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 6 | ( | 2 25 | ÷ | 3 4 | ) | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 3195 |
3 5 | X | − | 5 | × | 500 | − | 5 | × | 4000 | ÷ | 16 | − | 3 4 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 6 | ( | 2 25 | ÷ | 3 4 | ) | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 3195 |
3 5 | X | − | 2500 | − | 1250 | − | 3 4 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 6 | ( | 2 25 | ÷ | 3 4 | ) | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 3195 |
3 5 | X | − | 3750 | − | 3 4 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 6 | ( | 2 25 | ÷ | 3 4 | ) | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 3195 |
3 5 | X | − | 3750 | − | 3 4 | × | 500 | − | 3 4 | × | 4000 | ÷ | 16 | − | 6 | ( | 2 25 | ÷ | 3 4 | ) | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 12 25 | = | 2 5 | X | − | 3195 |
3 5 | X | − | 3750 | − | 375 | − | 375 2 | − | 6 | ( | 2 25 | ÷ | 3 4 | ) | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 3195 |
3 5 | X | − | 8625 2 | − | 6 | ( | 2 25 | ÷ | 3 4 | ) | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 3195 |
3 5 | X | − | 8625 2 | − | 6 | × | 2 25 | ÷ | 3 4 | × | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 3195 |
3 5 | X | − | 8625 2 | − | 16 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 3195 |
3 5 | X | − | 8625 2 | − | 16 25 | × | 500 | − | 16 25 | × | 4000 | ÷ | 16 | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 3195 |
3 5 | X | − | 8625 2 | − | 320 | − | 160 | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 3195 |
3 5 | X | − | 9585 2 | − | 12 25 | ( | 500 | + | 4000 | ÷ | 16 | ) | = | 2 5 | X | − | 3195 |
3 5 | X | − | 9585 2 | − | 12 25 | × | 500 | − | 12 25 | × | 4000 | ÷ | 16 | = | 2 5 | X | − | 3195 |
3 5 | X | − | 9585 2 | − | 240 | − | 120 | = | 2 5 | X | − | 3195 |
3 5 | X | − | 10305 2 | = | 2 5 | X | − | 3195 |
3 5 | X | − | 2 5 | X | = | - | 3195 | + | 10305 2 |
1 5 | X | = | - | 3195 | + | 10305 2 |
1 5 | X | = | 3915 2 |
| X | = | 3915 2 | ÷ | 1 5 |
| = | 3915 2 | × | 5 |
| X | = | 19575 2 |
| X | = | 9787.5 |