| ( | 176 | + | 693 2 | ) | ÷ | 30 | × | x | + | 335 2 | ÷ | 30 | × | ( | x | + | 15 | ) | + | 99 | ÷ | 30 | × | ( | x | + | 30 | ) | = | 1793 |
| 方程左边 = | ( | 176 | + | 693 2 | ) | × | 1 30 | x | + | 67 12 | ( | x | + | 15 | ) | + | 33 10 | ( | x | + | 30 | ) |
| ( | 176 | + | 693 2 | ) | × | 1 30 | x | + | 67 12 | ( | x | + | 15 | ) | + | 33 10 | ( | x | + | 30 | ) | = | 1793 |
| 方程左边 = | 176 | × | 1 30 | x | + | 693 2 | × | 1 30 | x | + | 67 12 | ( | x | + | 15 | ) | + | 33 10 | ( | x | + | 30 | ) |
| = | 88 15 | x | + | 231 20 | x | + | 67 12 | ( | x | + | 15 | ) | + | 33 10 | ( | x | + | 30 | ) |
| = | 209 12 | x | + | 67 12 | ( | x | + | 15 | ) | + | 33 10 | ( | x | + | 30 | ) |
| = | 209 12 | x | + | 67 12 | x | + | 67 12 | × | 15 | + | 33 10 | ( | x | + | 30 | ) |
| = | 209 12 | x | + | 67 12 | x | + | 335 4 | + | 33 10 | ( | x | + | 30 | ) |
| = | 23 | x | + | 335 4 | + | 33 10 | ( | x | + | 30 | ) |
| = | 23 | x | + | 335 4 | + | 33 10 | x | + | 33 10 | × | 30 |
| = | 23 | x | + | 335 4 | + | 33 10 | x | + | 99 |
| = | 263 10 | x | + | 731 4 |
263 10 | x | + | 731 4 | = | 1793 |
263 10 | x | = | 1793 | − | 731 4 |
263 10 | x | = | 6441 4 |
| x | = | 6441 4 | ÷ | 263 10 |
| = | 6441 4 | × | 10 263 |
| = | 6441 2 | × | 5 263 |
| x | = | 32205 526 |
| x | = | 61.226236 |