68 | + | 20 | x | = | 102 25 | ( | 15 | + | 1 2 | x | − | 125 | ÷ | ( | 34 | + | 10 | x | ) | ) |
68 | + | 20 | x | = | 102 25 | × | 15 | + | 102 25 | × | 1 2 | x | − | 102 25 | × | 125 | ÷ | ( | 34 | + | 10 | x | ) |
68 | + | 20 | x | = | 306 5 | + | 51 25 | x | − | 510 | ÷ | ( | 34 | + | 10 | x | ) |
方程两边同时乘以: | ( | 34 | + | 10 | x | ) |
68 | ( | 34 | + | 10 | x | ) | + | 20 | x | ( | 34 | + | 10 | x | ) | = | 306 5 | ( | 34 | + | 10 | x | ) | + | 51 25 | x | ( | 34 | + | 10 | x | ) | − | 510 |
68 | × | 34 | + | 68 | × | 10 | x | + | 20 | x | ( | 34 | + | 10 | x | ) | = | 306 5 | ( | 34 | + | 10 | x | ) | + | 51 25 | x | ( | 34 | + | 10 | x | ) | − | 510 |
68 | × | 34 | + | 68 | × | 10 | x | + | 20 | x | ( | 34 | + | 10 | x | ) | = | 306 5 | × | 34 | + | 306 5 | × | 10 | x | + | 51 25 | x | ( | 34 | + | 10 | x | ) | − | 510 |
2312 | + | 680 | x | + | 20 | x | ( | 34 | + | 10 | x | ) | = | 10404 5 | + | 612 | x | + | 51 25 | x | ( | 34 | + | 10 | x | ) | − | 510 |
2312 | + | 680 | x | + | 20 | x | ( | 34 | + | 10 | x | ) | = | 7854 5 | + | 612 | x | + | 51 25 | x | ( | 34 | + | 10 | x | ) |
2312 | + | 680 | x | + | 20 | x | × | 34 | + | 20 | x | × | 10 | x | = | 7854 5 | + | 612 | x | + | 51 25 | x | ( | 34 | + | 10 | x | ) |
2312 | + | 680 | x | + | 20 | x | × | 34 | + | 20 | x | × | 10 | x | = | 7854 5 | + | 612 | x | + | 51 25 | x | × | 34 | + | 51 25 | x | × | 10 | x |
2312 | + | 680 | x | + | 680 | x | + | 200 | x | x | = | 7854 5 | + | 612 | x | + | 1734 25 | x | + | 102 5 | x | x |
2312 | + | 1360 | x | + | 200 | x | x | = | 7854 5 | + | 17034 25 | x | + | 102 5 | x | x |