3759 100 | + | 293 25 | y | = | 14787 500 | y | + | 14879 500 |
293 25 | y | − | 14787 500 | y | = | 14879 500 | − | 3759 100 |
| - | 8927 500 | y | = | 14879 500 | − | 3759 100 |
| - | 8927 500 | y | = | - | 979 125 |
979 125 | = | 8927 500 | y |
8927 500 | y | = | 979 125 |
| y | = | 979 125 | ÷ | 8927 500 |
| = | 979 125 | × | 500 8927 |
| = | 979 | × | 4 8927 |
| y | = | 3916 8927 |
| y | = | 0.438669 |