| ( | x | + | 2153 10000 | ) | ÷ | 2 | = | 43 200 |
| Left side of the equation = | x | × | 1 2 | + | 2153 10000 | × | 1 2 |
| = | x | × | 1 2 | + | 2153 20000 |
1 2 | x | + | 2153 20000 | = | 43 200 |
1 2 | x | = | 43 200 | − | 2153 20000 |
1 2 | x | = | 2147 20000 |
| x | = | 2147 20000 | ÷ | 1 2 |
| = | 2147 20000 | × | 2 |
| = | 2147 10000 | × | 1 |
| x | = | 2147 10000 |
| x | = | 0.2147 |