4000 | × | 80 100 | ( | 1 | + | X | ) | × | 93 100 | + | 4000 | × | 20 100 | = | 4000 | × | 80 100 | X | × | 13 100 | ÷ | ( | 1 | + | 13 100 | ) |
方程两边同时乘以: | ( | 1 | + | 13 100 | ) |
4000 | × | 80 100 | ( | 1 | + | X | ) | × | 93 100 | ( | 1 | + | 13 100 | ) | + | 4000 | × | 20 100 | ( | 1 | + | 13 100 | ) | = | 4000 | × | 80 100 | X | × | 13 100 |
4000 | × | 80 100 | × | 1 | × | 93 100 | ( | 1 | + | 13 100 | ) | + | 4000 | × | 80 100 | X | × | 93 100 | ( | 1 | + | 13 100 | ) | + | 4000 | × | 20 100 | = | 4000 | × | 80 100 | X | × | 13 100 |
2976 | ( | 1 | + | 13 100 | ) | + | 2976 | X | ( | 1 | + | 13 100 | ) | + | 800 | ( | 1 | + | 13 100 | ) | = | 416 | X |
2976 | × | 1 | + | 2976 | × | 13 100 | + | 2976 | X | ( | 1 | + | 13 100 | ) | + | 800 | ( | 1 | + | 13 100 | ) | = | 416 | X |
2976 | + | 9672 25 | + | 2976 | X | ( | 1 | + | 13 100 | ) | + | 800 | ( | 1 | + | 13 100 | ) | = | 416 | X |
84072 25 | + | 2976 | X | ( | 1 | + | 13 100 | ) | + | 800 | ( | 1 | + | 13 100 | ) | = | 416 | X |
84072 25 | + | 2976 | X | × | 1 | + | 2976 | X | × | 13 100 | + | 800 | ( | 1 | + | 13 100 | ) | = | 416 | X |
84072 25 | + | 2976 | X | + | 9672 25 | X | + | 800 | ( | 1 | + | 13 100 | ) | = | 416 | X |
84072 25 | + | 84072 25 | X | + | 800 | ( | 1 | + | 13 100 | ) | = | 416 | X |
84072 25 | + | 84072 25 | X | + | 800 | × | 1 | + | 800 | × | 13 100 | = | 416 | X |
84072 25 | + | 84072 25 | X | + | 800 | + | 104 | = | 416 | X |
106672 25 | + | 84072 25 | X | = | 416 | X |
84072 25 | X | − | 416 | X | = | - | 106672 25 |
73672 25 | X | = | - | 106672 25 |
X | = | - | 106672 25 | ÷ | 73672 25 |
= | - | 106672 25 | × | 25 73672 |
= | - | 13334 | × | 1 9209 |
X | = | - | 13334 9209 |
X | = | - 1.447931 |