| 1000 | y | − | ( | 1000 | y | ÷ | 113 100 | × | 13 100 | − | 50 | × | 10000 | ) | × | 11 10 | − | 400 | × | 1000 | − | 550 | × | 1000 | = | 0 |
| Left side of the equation = | 1000 | y | − | ( | 1000 | y | ÷ | 113 100 | × | 13 100 | − | 50 | × | 10000 | ) | × | 11 10 | − | 400000 | − | 550000 |
| = | 1000 | y | − | ( | 1000 | y | ÷ | 113 100 | × | 13 100 | − | 50 | × | 10000 | ) | × | 11 10 | − | 950000 |
| 1000 | y | − | ( | 1000 | y | ÷ | 113 100 | × | 13 100 | − | 50 | × | 10000 | ) | × | 11 10 | − | 950000 | = | 0 |
| Left side of the equation = | 1000 | y | − | 1000 | y | ÷ | 113 100 | × | 13 100 | × | 11 10 | + | 50 | × | 10000 | × | 11 10 | − | 950000 |
| = | 1000 | y | − | 14300 113 | y | + | 550000 | − | 950000 |
| = | 98700 113 | y | − | 400000 |
98700 113 | y | − | 400000 | = | 0 |
98700 113 | y | = | 0 | + | 400000 |
98700 113 | y | = | 400000 |
| y | = | 400000 | ÷ | 98700 113 |
| = | 400000 | × | 113 98700 |
| = | 4000 | × | 113 987 |
| y | = | 452000 987 |
| y | = | 457.953394 |