| ( | 12813 500 | + | x | ) | × | 59 20 | = | 51253 1000 | + | 71679 1000 | − | x |
| Left side of the equation = | 12813 500 | × | 59 20 | + | x | × | 59 20 |
| = | 755967 10000 | + | x | × | 59 20 |
755967 10000 | + | 59 20 | x | = | 51253 1000 | + | 71679 1000 | − | x |
| Right side of the equation = | 30733 250 | − | x |
755967 10000 | + | 59 20 | x | = | 30733 250 | − | x |
59 20 | x | + | x | = | 30733 250 | − | 755967 10000 |
79 20 | x | = | 30733 250 | − | 755967 10000 |
79 20 | x | = | 473353 10000 |
| x | = | 473353 10000 | ÷ | 79 20 |
| = | 473353 10000 | × | 20 79 |
| = | 473353 500 | × | 1 79 |
| x | = | 473353 39500 |
| x | = | 11.98362 |