10 | ( | x | + | 4 | ) | ( | 14 | ÷ | x | + | 1 | ) | = | 7 | ( | x | + | 10 | ) | ( | 14 | ÷ | x | + | 2 | ) |
10 | x | ( | 14 | ÷ | x | + | 1 | ) | + | 10 | × | 4 | ( | 14 | ÷ | x | + | 1 | ) | = | 7 | ( | x | + | 10 | ) | ( | 14 | ÷ | x | + | 2 | ) |
10 | x | ( | 14 | ÷ | x | + | 1 | ) | + | 10 | × | 4 | ( | 14 | ÷ | x | + | 1 | ) | = | 7 | x | ( | 14 | ÷ | x | + | 2 | ) | + | 7 | × | 10 | ( | 14 | ÷ | x | + | 2 | ) |
10 | x | ( | 14 | ÷ | x | + | 1 | ) | + | 40 | ( | 14 | ÷ | x | + | 1 | ) | = | 7 | x | ( | 14 | ÷ | x | + | 2 | ) | + | 70 | ( | 14 | ÷ | x | + | 2 | ) |
10 | x | × | 14 | ÷ | x | + | 10 | x | × | 1 | + | 40 | ( | 14 | ÷ | x | + | 1 | ) | = | 7 | x | ( | 14 | ÷ | x | + | 2 | ) | + | 70 | ( | 14 | ÷ | x | + | 2 | ) |
10 | x | × | 14 | ÷ | x | + | 10 | x | × | 1 | + | 40 | ( | 14 | ÷ | x | + | 1 | ) | = | 7 | x | × | 14 | ÷ | x | + | 7 | x | × | 2 | + | 70 | ( | 14 | ÷ | x | + | 2 | ) |
140 | x | ÷ | x | + | 10 | x | + | 40 | ( | 14 | ÷ | x | + | 1 | ) | = | 98 | x | ÷ | x | + | 14 | x | + | 70 | ( | 14 | ÷ | x | + | 2 | ) |
140 | × | 1 | ÷ | 1 | + | 10 | x | + | 40 | × | 14 | ÷ | x | + | 40 | × | 1 | = | 98 | × | 1 | ÷ | 1 | + | 14 | x | + | 70 | ( | 14 | ÷ | x | + | 2 | ) |
140 | × | 1 | ÷ | 1 | + | 10 | x | + | 40 | × | 14 | ÷ | x | + | 40 | × | 1 | = | 98 | × | 1 | ÷ | 1 | + | 14 | x | + | 70 | × | 14 | ÷ | x | + | 70 | × | 2 |
140 | + | 10 | x | + | 560 | ÷ | x | + | 40 | = | 98 | + | 14 | x | + | 980 | ÷ | x | + | 140 |
180 | + | 10 | x | + | 560 | ÷ | x | = | 238 | + | 14 | x | + | 980 | ÷ | x |
方程两边同时乘以: | x |
180 | x | + | 10 | x | x | + | 560 | = | 238 | x | + | 14 | x | x | + | 980 | ÷ | 1 | × | 1 |