| x | × | 7 | − | 196 | − | 4584 25 | − | 1040 | × | 4 5 | − | 5 | − | ( | x | × | 7 | × | 13 100 | − | 14 | ) | × | 1 10 | = | ( | 260 | − | 4584 25 | ) | ÷ | 3 4 |
| 方程左边 = | x | × | 7 | − | 196 | − | 4584 25 | − | 832 | − | 5 | − | ( | x | × | 7 | × | 13 100 | − | 14 | ) | × | 1 10 |
| = | 7 | x | − | 30409 25 | − | ( | x | × | 7 | × | 13 100 | − | 14 | ) | × | 1 10 |
| 7 | x | − | 30409 25 | − | ( | x | × | 7 | × | 13 100 | − | 14 | ) | × | 1 10 | = | ( | 260 | − | 4584 25 | ) | ÷ | 3 4 |
| 方程左边 = | 7 | x | − | 30409 25 | − | x | × | 7 | × | 13 100 | × | 1 10 | + | 14 | × | 1 10 |
| = | 7 | x | − | 30409 25 | − | x | × | 91 1000 | + | 7 5 |
| = | 6909 1000 | x | − | 30374 25 |
6909 1000 | x | − | 30374 25 | = | ( | 260 | − | 4584 25 | ) | ÷ | 3 4 |
| 方程右边 = | 260 | × | 4 3 | − | 4584 25 | × | 4 3 |
| = | 1040 3 | − | 6112 25 |
| = | 7664 75 |
6909 1000 | x | − | 30374 25 | = | 7664 75 |
6909 1000 | x | = | 7664 75 | + | 30374 25 |
6909 1000 | x | = | 98786 75 |
| x | = | 98786 75 | ÷ | 6909 1000 |
| = | 98786 75 | × | 1000 6909 |
| = | 98786 3 | × | 40 6909 |
| x | = | 3951440 20727 |
| x | = | 190.642158 |