| ( | x | + | 1140 | ) | ÷ | ( | 13091 2 | ) | + | x | ÷ | 1309 2 | = | 1 |
| 方程两边同时乘以: | ( | 13091 2 | ) |
| ( | x | + | 1140 | ) | + | x | ÷ | 1309 2 | × | ( | 13091 2 | ) | = | 1 | ( | 13091 2 | ) |
| x | + | 1140 | + | x | ÷ | 1309 2 | × | ( | 13091 2 | ) | = | 1 | ( | 13091 2 | ) |
| x | + | 1140 | + | x | ÷ | 1309 2 | × | ( | 13091 2 | ) | = | 1 | × | 13091 2 |
| x | + | 1140 | + | x | × | 2 1309 | ( | 13091 2 | ) | = | 13091 2 |
| x | + | 1140 | + | x | × | 2 1309 | × | 13091 2 | = | 13091 2 |
| x | + | 1140 | + | x | × | 13091 1309 | = | 13091 2 |
14400 1309 | x | + | 1140 | = | 13091 2 |
14400 1309 | x | = | 13091 2 | − | 1140 |
14400 1309 | x | = | 10811 2 |
| x | = | 10811 2 | ÷ | 14400 1309 |
| = | 10811 2 | × | 1309 14400 |
| x | = | 14151599 28800 |
| x | = | 491.374965 |