解方程:2⼀3[2⼀3(1⼀4x-1)-7⼀2]=x

要有过程。2⼀3[3⼀2(1⼀4x-1)-7⼀2]=x
2024-12-19 02:55:56
推荐回答(2个)
回答1:

2/3[3/2(1/4x-1)-7/2]=x
[3/2(1/4x-1)-7/2]=3/2*x
3/2(1/4x-1)-7/2=3/2*x
3/8*x-3/2*x-3/2-7/2=0
-9/8*x=5
x=-40/9

回答2:

解:2/3[2/3(1/4x-1)-7/2]=x
2/3*2/3(1/4x-1)-2/3*2/7=x
1/4x-1-3/7=x
3/4x=-10/3
x=-40/9