7x−1 |
0.024 |
1−0.2x |
0.018 |
5x+1 |
0.012 |
两边同时乘以
1 |
1000 |
7x−1 |
24 |
1−0.2x |
18 |
5x+1 |
12 |
两边同时乘以72得:3(7x-1)=4(1-0.2x)-6(5x+1),
去括号得:21x-3=4-0.8x-30x-6,
移项、合并同类项得:51.8x=1,
系数化为1得:x=
5 |
259 |
7x−1 |
0.024 |
1−0.2x |
0.018 |
5x+1 |
0.012 |
7x−1 |
0.024 |
1−0.2x |
0.018 |
5x+1 |
0.012 |
1 |
1000 |
7x−1 |
24 |
1−0.2x |
18 |
5x+1 |
12 |
5 |
259 |