| ( | y | − | 1954 25 | ) | ÷ | 1954 25 | × | 100 | − | ( | 233 100 | ) | = | ( | y | − | 3999 50 | ) | ÷ | 3999 50 | × | 100 |
| Left side of the equation = | ( | y | − | 1954 25 | ) | × | 1250 977 | − | ( | 233 100 | ) |
| ( | y | − | 1954 25 | ) | × | 1250 977 | − | ( | 233 100 | ) | = | ( | y | − | 3999 50 | ) | ÷ | 3999 50 | × | 100 |
| Left side of the equation = | y | × | 1250 977 | − | 1954 25 | × | 1250 977 | − | ( | 233 100 | ) |
| = | y | × | 1250 977 | − | 100 | − | ( | 233 100 | ) |
| = | 1250 977 | y | − | 100 | − | 233 100 |
| = | 1250 977 | y | − | 10233 100 |
1250 977 | y | − | 10233 100 | = | ( | y | − | 3999 50 | ) | ÷ | 3999 50 | × | 100 |
| Right side of the equation = | ( | y | − | 3999 50 | ) | × | 5000 3999 |
1250 977 | y | − | 10233 100 | = | ( | y | − | 3999 50 | ) | × | 5000 3999 |
| Right side of the equation = | y | × | 5000 3999 | − | 3999 50 | × | 5000 3999 |
| = | y | × | 5000 3999 | − | 100 |
1250 977 | y | − | 10233 100 | = | 5000 3999 | y | − | 100 |
1250 977 | y | − | 5000 3999 | y | = | - | 100 | + | 10233 100 |
113750 3907023 | y | = | - | 100 | + | 10233 100 |
113750 3907023 | y | = | 233 100 |
| y | = | 233 100 | ÷ | 113750 3907023 |
| = | 233 100 | × | 3907023 113750 |
| y | = | 910336359 11375000 |
| y | = | 80.02957 |