问题 解答题
解下列方程:
(1)4x=3x-4;
(2)-
3
2
x=
1
3

(3)5x-2(x-1)=14;
(4)
1-2x
3
-
x+1
6
=1
答案

(1)4x=3x-4,

4x-3x=-4,

x=-4;

(2)-

3
2
x=
1
3

-9x=2,

x=-

2
9

(3)5x-2(x-1)=14,

5x-2x+2=14,

3x=12,

x=4;

(4)

1-2x
3
-
x+1
6
=1,

2-4x-x-1=6,

-5x=5,

x=-1.

判断题
判断题