| ( | 50000 | ( | 1 | + | 1039 10000 | ) | + | y | ) | × | 12 100 | = | 50000 | × | 1039 10000 | + | 3000 |
| Left side of the equation = | 50000 | ( | 1 | + | 1039 10000 | ) | × | 12 100 | + | y | × | 12 100 |
| = | 6000 | ( | 1 | + | 1039 10000 | ) | + | y | × | 12 100 |
| = | 6000 | × | 1 | + | 6000 | × | 1039 10000 | + | 12 100 | y |
| = | 6000 | + | 3117 5 | + | 12 100 | y |
| = | 33117 5 | + | 12 100 | y |
33117 5 | + | 12 100 | y | = | 50000 | × | 1039 10000 | + | 3000 |
| Right side of the equation = | 5195 | + | 3000 |
| = | 8195 |
33117 5 | + | 12 100 | y | = | 8195 |
12 100 | y | = | 8195 | − | 33117 5 |
12 100 | y | = | 7858 5 |
| y | = | 7858 5 | ÷ | 12 100 |
| = | 7858 5 | × | 100 12 |
| = | 3929 | × | 20 6 |
| y | = | 78580 6 |
| y | = | 39290 3 |
| y | = | 13096.666667 |