| ( | 13137 500 | + | x | ) | × | 53 20 | = | 52549 1000 | + | 70623 1000 | − | x |
| Left side of the equation = | 13137 500 | × | 53 20 | + | x | × | 53 20 |
| = | 696261 10000 | + | x | × | 53 20 |
696261 10000 | + | 53 20 | x | = | 52549 1000 | + | 70623 1000 | − | x |
| Right side of the equation = | 30793 250 | − | x |
696261 10000 | + | 53 20 | x | = | 30793 250 | − | x |
53 20 | x | + | x | = | 30793 250 | − | 696261 10000 |
73 20 | x | = | 30793 250 | − | 696261 10000 |
73 20 | x | = | 535459 10000 |
| x | = | 535459 10000 | ÷ | 73 20 |
| = | 535459 10000 | × | 20 73 |
| = | 535459 500 | × | 1 73 |
| x | = | 535459 36500 |
| x | = | 14.67011 |