| 2 | × | 1 100 | × | 1500 | x | + | 77 | × | 9 1000 | × | 1000 | x | + | 13 | × | 1 125 | × | 900 | x | = | 15000 |
| Left side of the equation = | 30 | x | + | 693 | x | + | 468 5 | x | + | 896 5 | x | + | 924 5 | x | + | 96 | x |
| = | 7864 5 | x |
7864 5 | x | = | 15000 |
| x | = | 15000 | ÷ | 7864 5 |
| = | 15000 | × | 5 7864 |
| = | 1875 | × | 5 983 |
| x | = | 9375 983 |
| x | = | 9.537131 |