1427 1000 | × | 2100 | + | 563 5 | = | 57 40 | × | 500 | + | 71 50 | × | 400 | + | 709 500 | × | 400 | + | 287 200 | × | 400 | + | x | × | 400 |
| Left side of the equation = | 29967 10 | + | 563 5 |
| = | 31093 10 |
31093 10 | = | 57 40 | × | 500 | + | 71 50 | × | 400 | + | 709 500 | × | 400 | + | 287 200 | × | 400 | + | x | × | 400 |
| Right side of the equation = | 1425 2 | + | 568 | + | 2836 5 | + | 574 | + | x | × | 400 |
| = | 24217 10 | + | 400 | x |
31093 10 | = | 24217 10 | + | 400 | x |
| - | 400 | x | = | 24217 10 | − | 31093 10 |
| - | 400 | x | = | - | 3438 5 |
3438 5 | = | 400 | x |
| 400 | x | = | 3438 5 |
| x | = | 3438 5 | ÷ | 400 |
| = | 3438 5 | × | 1 400 |
| = | 1719 5 | × | 1 200 |
| x | = | 1719 1000 |
| x | = | 1.719 |