9 20 | × | 150 | + | 1551 1000 | = | 23 20000 | × | 150 | × | 150 | + | x | × | 150 | + | 101551 1000 |
| Left side of the equation = | 135 2 | + | 1551 1000 |
| = | 69051 1000 |
69051 1000 | = | 23 20000 | × | 150 | × | 150 | + | x | × | 150 | + | 101551 1000 |
| Right side of the equation = | 207 8 | + | x | × | 150 | + | 101551 1000 |
| = | 63713 500 | + | 150 | x |
69051 1000 | = | 63713 500 | + | 150 | x |
| - | 150 | x | = | 63713 500 | − | 69051 1000 |
| - | 150 | x | = | 467 8 |
| - | 467 8 | = | 150 | x |
| 150 | x | = | - | 467 8 |
| x | = | - | 467 8 | ÷ | 150 |
| = | - | 467 8 | × | 1 150 |
| x | = | - | 467 1200 |
| x | = | - 0.389167 |