| 1447 | × | 3 | ( | 1 | + | 16 | × | 986 | ÷ | ( | 986 | + | 2000 | ) | × | 7 10 | ) | = | y |
| 1447 | × | 3 | × | 1 | + | 1447 | × | 3 | × | 16 | × | 986 | ÷ | ( | 986 | + | 2000 | ) | × | 7 10 | = | y |
| 4341 | + | 239692656 5 | ÷ | ( | 986 | + | 2000 | ) | = | y |
| 方程两边同时乘以: | ( | 986 | + | 2000 | ) |
| 4341 | ( | 986 | + | 2000 | ) | + | 239692656 5 | = | y | ( | 986 | + | 2000 | ) |
| 4341 | × | 986 | + | 4341 | × | 2000 | + | 239692656 5 | = | y | ( | 986 | + | 2000 | ) |
| 4341 | × | 986 | + | 4341 | × | 2000 | + | 239692656 5 | = | y | × | 986 | + | y | × | 2000 |
| 4280226 | + | 8682000 | + | 239692656 5 | = | y | × | 986 | + | y | × | 2000 |
304503786 5 | = | 2986 | y |
| - | 2986 | y | = | - | 304503786 5 |
304503786 5 | = | 2986 | y |
| 2986 | y | = | 304503786 5 |
| y | = | 304503786 5 | ÷ | 2986 |
| = | 304503786 5 | × | 1 2986 |
| = | 152251893 5 | × | 1 1493 |
| y | = | 152251893 7465 |
| y | = | 20395.431078 |