6667 10000 | y | − | 309 5000 | y | − | ( | 3000 | + | y | ) | ( | 135 | ÷ | 3000 | ) | × | 7 10 | = | 0 |
| Left side of the equation = | 6049 10000 | y | − | ( | 3000 | + | y | ) | ( | 135 | ÷ | 3000 | ) | × | 7 10 |
6049 10000 | y | − | ( | 3000 | + | y | ) | ( | 135 | ÷ | 3000 | ) | × | 7 10 | = | 0 |
| Left side of the equation = | 6049 10000 | y | − | 3000 | ( | 135 | ÷ | 3000 | ) | × | 7 10 | − | y | ( | 135 | ÷ | 3000 | ) | × | 7 10 |
| = | 6049 10000 | y | − | 2100 | ( | 135 | ÷ | 3000 | ) | − | y | ( | 135 | ÷ | 3000 | ) | × | 7 10 |
| = | 6049 10000 | y | − | 2100 | × | 135 | ÷ | 3000 | − | y | ( | 135 | ÷ | 3000 | ) | × | 7 10 |
| = | 6049 10000 | y | − | 189 2 | − | y | ( | 135 | ÷ | 3000 | ) | × | 7 10 |
| = | 6049 10000 | y | − | 189 2 | − | y | × | 135 | ÷ | 3000 | × | 7 10 |
| = | 6049 10000 | y | − | 189 2 | − | y | × | 63 2000 |
| = | 2867 5000 | y | − | 189 2 |
2867 5000 | y | − | 189 2 | = | 0 |
2867 5000 | y | = | 0 | + | 189 2 |
2867 5000 | y | = | 189 2 |
| y | = | 189 2 | ÷ | 2867 5000 |
| = | 189 2 | × | 5000 2867 |
| = | 189 | × | 2500 2867 |
| y | = | 472500 2867 |
| y | = | 164.806418 |