| 45 | × | 243 100 | ÷ | 100 | × | 1 25 | x | + | 1 50 | × | 45 | = | 243 100 | ÷ | 100 | × | 1 25 | ( | 1 | − | x | ) | × | 1820 |
| Left side of the equation = | 2187 50000 | x | + | 9 10 |
2187 50000 | x | + | 9 10 | = | 243 100 | ÷ | 100 | × | 1 25 | ( | 1 | − | x | ) | × | 1820 |
| Right side of the equation = | 22113 12500 | ( | 1 | − | x | ) |
2187 50000 | x | + | 9 10 | = | 22113 12500 | ( | 1 | − | x | ) |
| Right side of the equation = | 22113 12500 | × | 1 | − | 22113 12500 | x |
| = | 22113 12500 | − | 22113 12500 | x |
2187 50000 | x | + | 9 10 | = | 22113 12500 | − | 22113 12500 | x |
2187 50000 | x | + | 22113 12500 | x | = | 22113 12500 | − | 9 10 |
90639 50000 | x | = | 22113 12500 | − | 9 10 |
90639 50000 | x | = | 10863 12500 |
| x | = | 10863 12500 | ÷ | 90639 50000 |
| = | 10863 12500 | × | 50000 90639 |
| = | 1207 | × | 4 10071 |
| x | = | 4828 10071 |
| x | = | 0.479396 |