| ( | x | − | 200 | ) | ( | 1 | − | 25 100 | ) | ÷ | 3000 | + | 300 | = | ( | x | − | 200 | − | 150 | ) | ( | 1 | − | 25 100 | ) | ÷ | 3000 |
| Left side of the equation = | x | ( | 1 | − | 25 100 | ) | × | 1 3000 | − | 200 | ( | 1 | − | 25 100 | ) | × | 1 3000 | + | 300 |
| = | x | ( | 1 | − | 25 100 | ) | × | 1 3000 | − | 1 15 | ( | 1 | − | 25 100 | ) | + | 300 |
| = | x | × | 1 | × | 1 3000 | − | x | × | 25 100 | × | 1 3000 | − | 1 15 | ( | 1 | − | 25 100 | ) | + | 300 |
| = | x | × | 1 3000 | − | x | × | 1 12000 | − | 1 15 | ( | 1 | − | 25 100 | ) | + | 300 |
| = | 1 4000 | x | − | 1 15 | ( | 1 | − | 25 100 | ) | + | 300 |
| = | 1 4000 | x | − | 1 15 | × | 1 | + | 1 15 | × | 25 100 | + | 300 |
| = | 1 4000 | x | − | 1 15 | + | 1 60 | + | 300 |
| = | 1 4000 | x | + | 5999 20 |
1 4000 | x | + | 5999 20 | = | ( | x | − | 200 | − | 150 | ) | ( | 1 | − | 25 100 | ) | ÷ | 3000 |
| Right side of the equation = | x | ( | 1 | − | 25 100 | ) | × | 1 3000 | − | 200 | ( | 1 | − | 25 100 | ) | × | 1 3000 | − | 150 | ( | 1 | − | 25 100 | ) | × | 1 3000 |
| = | x | ( | 1 | − | 25 100 | ) | × | 1 3000 | − | 1 15 | ( | 1 | − | 25 100 | ) | − | 1 20 | ( | 1 | − | 25 100 | ) |
| = | x | × | 1 | × | 1 3000 | − | x | × | 25 100 | × | 1 3000 | − | 1 15 | ( | 1 | − | 25 100 | ) | − | 1 20 | ( | 1 | − | 25 100 | ) |
| = | x | × | 1 3000 | − | x | × | 1 12000 | − | 1 15 | ( | 1 | − | 25 100 | ) | − | 1 20 | ( | 1 | − | 25 100 | ) |
| = | 1 4000 | x | − | 1 15 | ( | 1 | − | 25 100 | ) | − | 1 20 | ( | 1 | − | 25 100 | ) |
| = | 1 4000 | x | − | 1 15 | × | 1 | + | 1 15 | × | 25 100 | − | 1 20 | ( | 1 | − | 25 100 | ) |
| = | 1 4000 | x | − | 1 15 | + | 1 60 | − | 1 20 | ( | 1 | − | 25 100 | ) |
| = | 1 4000 | x | − | 1 20 | − | 1 20 | ( | 1 | − | 25 100 | ) |
| = | 1 4000 | x | − | 1 20 | − | 1 20 | × | 1 | + | 1 20 | × | 25 100 |
| = | 1 4000 | x | − | 1 20 | − | 1 20 | + | 1 80 |
| = | 1 4000 | x | − | 7 80 |
1 4000 | x | + | 5999 20 | = | 1 4000 | x | − | 7 80 |
1 4000 | x | − | 1 4000 | x | = | - | 7 80 | − | 5999 20 |
| 0 | x | = | - | 7 80 | − | 5999 20 |
| 0 | x | = | - | 24003 80 |