| ( | 1 4 | − | x | ) | ÷ | ( | 1 4 | − | 3 40 | ) | = | 44 5 | ÷ | ( | 194 5 | − | 146 5 | ) |
| 方程两边同时乘以: | ( | 1 4 | − | 3 40 | ) | , | ( | 194 5 | − | 146 5 | ) |
| ( | 1 4 | − | x | ) | ( | 194 5 | − | 146 5 | ) | = | 44 5 | ( | 1 4 | − | 3 40 | ) |
1 4 | ( | 194 5 | − | 146 5 | ) | − | x | ( | 194 5 | − | 146 5 | ) | = | 44 5 | ( | 1 4 | − | 3 40 | ) |
1 4 | ( | 194 5 | − | 146 5 | ) | − | x | ( | 194 5 | − | 146 5 | ) | = | 44 5 | × | 1 4 | − | 44 5 | × | 3 40 |
1 4 | ( | 194 5 | − | 146 5 | ) | − | x | ( | 194 5 | − | 146 5 | ) | = | 11 5 | − | 33 50 |
1 4 | ( | 194 5 | − | 146 5 | ) | − | x | ( | 194 5 | − | 146 5 | ) | = | 77 50 |
1 4 | × | 194 5 | − | 1 4 | × | 146 5 | − | x | ( | 194 5 | − | 146 5 | ) | = | 77 50 |
97 10 | − | 73 10 | − | x | ( | 194 5 | − | 146 5 | ) | = | 77 50 |
12 5 | − | x | ( | 194 5 | − | 146 5 | ) | = | 77 50 |
12 5 | − | x | × | 194 5 | + | x | × | 146 5 | = | 77 50 |
12 5 | − | 48 5 | x | = | 77 50 |
| - | 48 5 | x | = | 77 50 | − | 12 5 |
| - | 48 5 | x | = | - | 43 50 |
43 50 | = | 48 5 | x |
48 5 | x | = | 43 50 |
| x | = | 43 50 | ÷ | 48 5 |
| = | 43 50 | × | 5 48 |
| = | 43 10 | × | 1 48 |
| x | = | 43 480 |
| x | = | 0.089583 |