求大神解,需过程(3x-2)÷3=(x-1)÷2-1thank you!给以奖励答案是-1

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 11:45:13
求大神解,需过程(3x-2)÷3=(x-1)÷2-1thank you!给以奖励答案是-1
x){ϗ{|9 /?_ѭa\kyxF!akXP_|'>]:ik<[l{z mI0`)T lh^.{cɋ};l15*7օ+luM,CF 1T0 `u7 M럮r'{;uL|ּbY-/xs]S^_ g>[(d6O;f>~,چ*z72Fp$q#-piӶE K@ ½LOM)CG

求大神解,需过程(3x-2)÷3=(x-1)÷2-1thank you!给以奖励答案是-1
求大神解,需过程(3x-2)÷3=(x-1)÷2-1
thank you!给以奖励
答案是-1

求大神解,需过程(3x-2)÷3=(x-1)÷2-1thank you!给以奖励答案是-1
(3x-2)÷3=(x-1)÷2-1
两边乘以6
6x-4=3x-3-6
3x=-5
x=-5/3

2(3x-2)=3(x-1)-6
6x-4=3x-3-6
3x=-5
x=-5/3

答案肯定错了
(3x-2)÷3=(x-1)÷2-1
6x-4=3x-3-6
3x=-5
x=-5/3

我想答案的题干应该是这样的
(3x-2)+3=(x-1)÷2-1
则有:
3x+1=(x-1)÷2-1
即:3x+2=(x-1)÷2
即:2*(3x+2)=x-1
即:6x-x=-1-4
即:5x=-5
解得x=-1.