| ( | 42309 1000 | + | x | ) | × | 27 20 | = | 37709 500 | − | x | + | 42309 1000 |
| Left side of the equation = | 42309 1000 | × | 27 20 | + | x | × | 27 20 |
| = | 1142343 20000 | + | x | × | 27 20 |
1142343 20000 | + | 27 20 | x | = | 37709 500 | − | x | + | 42309 1000 |
| Right side of the equation = | 117727 1000 | − | x |
1142343 20000 | + | 27 20 | x | = | 117727 1000 | − | x |
27 20 | x | + | x | = | 117727 1000 | − | 1142343 20000 |
47 20 | x | = | 117727 1000 | − | 1142343 20000 |
47 20 | x | = | 1212197 20000 |
| x | = | 1212197 20000 | ÷ | 47 20 |
| = | 1212197 20000 | × | 20 47 |
| = | 1212197 1000 | × | 1 47 |
| x | = | 1212197 47000 |
| x | = | 25.791426 |