32 | × | 533 | × | 2 | + | ( | 30 | − | 32 | ÷ | ( | 1 | − | 7 20 | − | x | ) | ÷ | ( | 1 | − | 7 20 | − | x | ) | × | 533 | × | 4 | ) | = | 70000 |
32 | × | 533 | × | 2 | + | 30 | − | 32 | ÷ | ( | 1 | − | 7 20 | − | x | ) | ÷ | ( | 1 | − | 7 20 | − | x | ) | × | 533 | × | 4 | = | 70000 |
34112 | + | 30 | − | 68224 | ÷ | ( | 1 | − | 7 20 | − | x | ) | ÷ | ( | 1 | − | 7 20 | − | x | ) | = | 70000 |
34142 | − | 68224 | ÷ | ( | 1 | − | 7 20 | − | x | ) | ÷ | ( | 1 | − | 7 20 | − | x | ) | = | 70000 |
方程两边同时乘以: | ( | 1 | − | 7 20 | − | x | ) |
34142 | ( | 1 | − | 7 20 | − | x | ) | − | 68224 | ÷ | ( | 1 | − | 7 20 | − | x | ) | = | 70000 | ( | 1 | − | 7 20 | − | x | ) |
34142 | × | 1 | − | 34142 | × | 7 20 | − | 34142 | x | − | 68224 | ÷ | ( | 1 | − | 7 20 | − | x | ) | = | 70000 | ( | 1 | − | 7 20 | − | x | ) |
34142 | × | 1 | − | 34142 | × | 7 20 | − | 34142 | x | − | 68224 | ÷ | ( | 1 | − | 7 20 | − | x | ) | = | 70000 | × | 1 | − | 70000 | × | 7 20 | − | 70000 | x |
34142 | − | 119497 10 | − | 34142 | x | − | 68224 | ÷ | ( | 1 | − | 7 20 | − | x | ) | = | 70000 | − | 24500 | − | 70000 | x |
221923 10 | − | 34142 | x | − | 68224 | ÷ | ( | 1 | − | 7 20 | − | x | ) | = | 45500 | − | 70000 | x |
方程两边同时乘以: | ( | 1 | − | 7 20 | − | x | ) |
221923 10 | ( | 1 | − | 7 20 | − | x | ) | − | 34142 | x | ( | 1 | − | 7 20 | − | x | ) | − | 68224 | = | 45500 | ( | 1 | − | 7 20 | − | x | ) | − | 70000 | x | ( | 1 | − | 7 20 | − | x | ) |
221923 10 | × | 1 | − | 221923 10 | × | 7 20 | − | 221923 10 | x | − | 34142 | x | ( | 1 | − | 7 20 | − | x | ) | − | 68224 | = | 45500 | ( | 1 | − | 7 20 | − | x | ) | − | 70000 | x | ( | 1 | − | 7 20 | − | x | ) |
221923 10 | × | 1 | − | 221923 10 | × | 7 20 | − | 221923 10 | x | − | 34142 | x | ( | 1 | − | 7 20 | − | x | ) | − | 68224 | = | 45500 | × | 1 | − | 45500 | × | 7 20 | − | 45500 | x | − | 70000 | x | ( | 1 | − | 7 20 | − | x | ) |
221923 10 | − | 1553461 200 | − | 221923 10 | x | − | 34142 | x | ( | 1 | − | 7 20 | − | x | ) | − | 68224 | = | 45500 | − | 15925 | − | 45500 | x | − | 70000 | x | ( | 1 | − | 7 20 | − | x | ) |
- | 10759801 200 | − | 221923 10 | x | − | 34142 | x | ( | 1 | − | 7 20 | − | x | ) | = | 29575 | − | 45500 | x | − | 70000 | x | ( | 1 | − | 7 20 | − | x | ) |
- | 10759801 200 | − | 221923 10 | x | − | 34142 | x | × | 1 | + | 34142 | x | × | 7 20 | + | 34142 | x | x | = | 29575 | − | 45500 | x | − | 70000 | x | ( | 1 | − | 7 20 | − | x | ) |
- | 10759801 200 | − | 221923 10 | x | − | 34142 | x | × | 1 | + | 34142 | x | × | 7 20 | + | 34142 | x | x | = | 29575 | − | 45500 | x | − | 70000 | x | × | 1 | + | 70000 | x | × | 7 20 | + | 70000 | x | x |
- | 10759801 200 | − | 221923 10 | x | − | 34142 | x | + | 119497 10 | x | + | 34142 | x | x | = | 29575 | − | 45500 | x | − | 70000 | x | + | 24500 | x | + | 70000 | x | x |
- | 10759801 200 | − | 221923 5 | x | + | 34142 | x | x | = | 29575 | − | 91000 | x | + | 70000 | x | x |