7171 10 | = | a | + | 1 | + | 3 200 | a | + | 1 10 | a | + | 11 10 | a | × | 13 100 |
| Right side of the equation = | a | + | 1 | + | 3 200 | a | + | 1 10 | a | + | 143 1000 | a |
| = | 629 500 | a | + | 1 |
7171 10 | = | 629 500 | a | + | 1 |
| - | 629 500 | a | = | 1 | − | 7171 10 |
| - | 629 500 | a | = | - | 7161 10 |
7161 10 | = | 629 500 | a |
629 500 | a | = | 7161 10 |
| a | = | 7161 10 | ÷ | 629 500 |
| = | 7161 10 | × | 500 629 |
| = | 7161 | × | 50 629 |
| a | = | 358050 629 |
| a | = | 569.236884 |