33 50 | + | 34 25 | x | ( | 281 50 | + | 19 20 | × | 70 | ) | = | 9 10 | + | 34 25 | × | 3 50 | × | 70 |
| 方程左边 = | 33 50 | + | 34 25 | x | × | 281 50 | + | 34 25 | x | × | 19 20 | × | 70 |
| = | 33 50 | + | 4777 625 | x | + | 2261 25 | x |
| = | 33 50 | + | 61302 625 | x |
33 50 | + | 61302 625 | x | = | 9 10 | + | 34 25 | × | 3 50 | × | 70 |
| 方程右边 = | 9 10 | + | 714 125 |
| = | 1653 250 |
33 50 | + | 61302 625 | x | = | 1653 250 |
61302 625 | x | = | 1653 250 | − | 33 50 |
61302 625 | x | = | 744 125 |
| x | = | 744 125 | ÷ | 61302 625 |
| = | 744 125 | × | 625 61302 |
| = | 124 | × | 5 10217 |
| x | = | 620 10217 |
| x | = | 0.060683 |