| x | + | 3 | + | 29 5 | + | ( | ( | ( | 124 5 | − | 29 5 | ) | ( | x | − | 100 | ) | ) | ÷ | 400 | ) | + | x | × | 6 125 | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) | + | x | × | 1 50 | + | x | × | 33 1250 | + | x | = | 1491 5 |
| 方程左边 = | 5547 5000 | x | + | 44 5 | + | ( | ( | ( | 124 5 | − | 29 5 | ) | ( | x | − | 100 | ) | ) | ÷ | 400 | ) | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) |
5547 5000 | x | + | 44 5 | + | ( | ( | ( | 124 5 | − | 29 5 | ) | ( | x | − | 100 | ) | ) | ÷ | 400 | ) | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) | = | 1491 5 |
| 方程左边 = | 5547 5000 | x | + | 44 5 | + | ( | ( | 124 5 | − | 29 5 | ) | ( | x | − | 100 | ) | ) | ÷ | 400 | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) |
| = | 5547 5000 | x | + | 44 5 | + | ( | 124 5 | − | 29 5 | ) | ( | x | − | 100 | ) | × | 1 400 | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) |
| = | 5547 5000 | x | + | 44 5 | + | 124 5 | ( | x | − | 100 | ) | × | 1 400 | − | 29 5 | ( | x | − | 100 | ) | × | 1 400 | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) |
| = | 5547 5000 | x | + | 44 5 | + | 31 500 | ( | x | − | 100 | ) | − | 29 2000 | ( | x | − | 100 | ) | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) |
| = | 5547 5000 | x | + | 44 5 | + | 31 500 | x | − | 31 500 | × | 100 | − | 29 2000 | ( | x | − | 100 | ) | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) |
| = | 5547 5000 | x | + | 44 5 | + | 31 500 | x | − | 31 5 | − | 29 2000 | ( | x | − | 100 | ) | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) |
| = | 5857 5000 | x | + | 13 5 | − | 29 2000 | ( | x | − | 100 | ) | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) |
| = | 5857 5000 | x | + | 13 5 | − | 29 2000 | x | + | 29 2000 | × | 100 | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) |
| = | 5857 5000 | x | + | 13 5 | − | 29 2000 | x | + | 29 20 | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) |
| = | 11569 10000 | x | + | 81 20 | + | ( | 1 | + | ( | x | − | 100 | ) | × | 7 1000 | ) |
| = | 11569 10000 | x | + | 81 20 | + | 1 | + | ( | x | − | 100 | ) | × | 7 1000 |
| = | 11569 10000 | x | + | 101 20 | + | ( | x | − | 100 | ) | × | 7 1000 |
| = | 11569 10000 | x | + | 101 20 | + | x | × | 7 1000 | − | 100 | × | 7 1000 |
| = | 11569 10000 | x | + | 101 20 | + | x | × | 7 1000 | − | 7 10 |
| = | 11639 10000 | x | + | 87 20 |
11639 10000 | x | + | 87 20 | = | 1491 5 |
11639 10000 | x | = | 1491 5 | − | 87 20 |
11639 10000 | x | = | 5877 20 |
| x | = | 5877 20 | ÷ | 11639 10000 |
| = | 5877 20 | × | 10000 11639 |
| = | 5877 | × | 500 11639 |
| x | = | 2938500 11639 |
| x | = | 252.470143 |