| 972 | = | x | + | ( | x | + | 88 | ) | ÷ | ( | 1 | − | 3 1000 | ) | × | 3 1000 |
| 方程两边同时乘以: | ( | 1 | − | 3 1000 | ) |
| 972 | ( | 1 | − | 3 1000 | ) | = | x | ( | 1 | − | 3 1000 | ) | + | ( | x | + | 88 | ) | × | 3 1000 |
| 972 | × | 1 | − | 972 | × | 3 1000 | = | x | ( | 1 | − | 3 1000 | ) | + | ( | x | + | 88 | ) | × | 3 1000 |
| 972 | × | 1 | − | 972 | × | 3 1000 | = | x | × | 1 | − | x | × | 3 1000 | + | ( | x | + | 88 | ) | × | 3 1000 |
| 972 | − | 729 250 | = | x | × | 1 | − | x | × | 3 1000 | + | ( | x | + | 88 | ) | × | 3 1000 |
242271 250 | = | 997 1000 | x | + | ( | x | + | 88 | ) | × | 3 1000 |
242271 250 | = | 997 1000 | x | + | x | × | 3 1000 | + | 88 | × | 3 1000 |
242271 250 | = | 997 1000 | x | + | x | × | 3 1000 | + | 33 125 |
242271 250 | = | 1 | x | + | 33 125 |
| - | 1 | x | = | 33 125 | − | 242271 250 |
| - | x | = | 33 125 | − | 242271 250 |
| - | x | = | - | 48441 50 |
48441 50 | = | x |
| x | = | 48441 50 |