| ( | 19701 500 | + | x | ) | × | 51 20 | = | 19701 500 | + | 17901 250 | − | x |
| Left side of the equation = | 19701 500 | × | 51 20 | + | x | × | 51 20 |
| = | 1004751 10000 | + | x | × | 51 20 |
1004751 10000 | + | 51 20 | x | = | 19701 500 | + | 17901 250 | − | x |
| Right side of the equation = | 55503 500 | − | x |
1004751 10000 | + | 51 20 | x | = | 55503 500 | − | x |
51 20 | x | + | x | = | 55503 500 | − | 1004751 10000 |
71 20 | x | = | 55503 500 | − | 1004751 10000 |
71 20 | x | = | 105309 10000 |
| x | = | 105309 10000 | ÷ | 71 20 |
| = | 105309 10000 | × | 20 71 |
| = | 105309 500 | × | 1 71 |
| x | = | 105309 35500 |
| x | = | 2.966451 |