| ( | 10 | × | 2 | ( | x | ÷ | 25 | ) | × | 149 100 | ) | + | ( | x | ÷ | 25 | ÷ | 4 | ÷ | 22 | ) | × | 11531 | = | 8 5 | x | × | 501 100 |
| Left side of the equation = | 10 | × | 2 | ( | x | ÷ | 25 | ) | × | 149 100 | + | ( | x | ÷ | 25 | ÷ | 4 | ÷ | 22 | ) | × | 11531 |
| = | 149 5 | ( | x | ÷ | 25 | ) | + | ( | x | ÷ | 25 | ÷ | 4 | ÷ | 22 | ) | × | 11531 |
| = | 149 5 | x | ÷ | 25 | + | ( | x | ÷ | 25 | ÷ | 4 | ÷ | 22 | ) | × | 11531 |
| = | 149 125 | x | + | ( | x | ÷ | 25 | ÷ | 4 | ÷ | 22 | ) | × | 11531 |
| = | 149 125 | x | + | x | ÷ | 25 | ÷ | 4 | ÷ | 22 | × | 11531 |
| = | 149 125 | x | + | x | × | 11531 2200 |
| = | 70767 11000 | x |
70767 11000 | x | = | 8 5 | x | × | 501 100 |
| Right side of the equation = | 1002 125 | x |
70767 11000 | x | = | 1002 125 | x |
70767 11000 | x | − | 1002 125 | x | = | 0 |
| - | 17409 11000 | x | = | 0 |
| - | 0 | = | 17409 11000 | x |
17409 11000 | x | = | - | 0 |
| x | = | - | 0 | ÷ | 17409 11000 |
| = | - | 0 | × | 11000 17409 |
| x | = | 0 |