( | 18419 100 | − | y | ) | ÷ | y | × | 100 | = | - | 51 50 | − | ( | ( | y | − | 4652 25 | ) | ÷ | 4652 25 | × | 100 | ) |
方程两边同时乘以: | y |
( | 18419 100 | − | y | ) | × | 100 | = | - | 51 50 | y | − | ( | ( | y | − | 4652 25 | ) | ÷ | 4652 25 | × | 100 | ) | y |
18419 100 | × | 100 | − | y | × | 100 | = | - | 51 50 | y | − | ( | ( | y | − | 4652 25 | ) | ÷ | 4652 25 | × | 100 | ) | y |
18419 100 | × | 100 | − | y | × | 100 | = | - | 51 50 | y | − | ( | y | − | 4652 25 | ) | ÷ | 4652 25 | × | 100 | y |
18419 | − | y | × | 100 | = | - | 51 50 | y | − | ( | y | − | 4652 25 | ) | × | 625 1163 | y |
18419 | − | 100 | y | = | - | 51 50 | y | − | y | × | 625 1163 | y | + | 4652 25 | × | 625 1163 | y |
18419 | − | 100 | y | = | - | 51 50 | y | − | y | × | 625 1163 | y | + | 116300 1163 | y |
18419 | − | 100 | y | = | 5755687 58150 | y | − | y | × | 625 1163 | y |