| x | = | 56 | + | ( | x | ÷ | ( | 1 | + | 17 100 | ) | × | 17 100 | + | 0 | + | 5 100 | x | ) | + | 15 100 |
| x | = | 56 | + | x | ÷ | ( | 1 | + | 17 100 | ) | × | 17 100 | + | 0 | + | 5 100 | x | + | 15 100 |
| x | = | 1123 20 | + | x | ÷ | ( | 1 | + | 17 100 | ) | × | 17 100 | + | 5 100 | x |
| 方程两边同时乘以: | ( | 1 | + | 17 100 | ) |
| x | ( | 1 | + | 17 100 | ) | = | 1123 20 | ( | 1 | + | 17 100 | ) | + | x | × | 17 100 | + | 5 100 | x | ( | 1 | + | 17 100 | ) |
| x | × | 1 | + | x | × | 17 100 | = | 1123 20 | ( | 1 | + | 17 100 | ) | + | x | × | 17 100 | + | 5 100 | x | ( | 1 | + | 17 100 | ) |
| x | × | 1 | + | x | × | 17 100 | = | 1123 20 | × | 1 | + | 1123 20 | × | 17 100 | + | x | × | 17 100 | + | 5 100 | x | ( | 1 | + | 17 100 | ) |
| x | × | 1 | + | x | × | 17 100 | = | 1123 20 | + | 19091 2000 | + | x | × | 17 100 | + | 5 100 | x | ( | 1 | + | 17 100 | ) |
117 100 | x | = | 131391 2000 | + | 17 100 | x | + | 5 100 | x | ( | 1 | + | 17 100 | ) |
117 100 | x | = | 131391 2000 | + | 17 100 | x | + | 5 100 | x | × | 1 | + | 5 100 | x | × | 17 100 |
117 100 | x | = | 131391 2000 | + | 17 100 | x | + | 1 20 | x | + | 17 2000 | x |
117 100 | x | = | 131391 2000 | + | 457 2000 | x |
117 100 | x | − | 457 2000 | x | = | 131391 2000 |
1883 2000 | x | = | 131391 2000 |
| x | = | 131391 2000 | ÷ | 1883 2000 |
| = | 131391 2000 | × | 2000 1883 |
| = | 131391 | × | 1 1883 |
| x | = | 131391 1883 |
| x | = | 69.777483 |