题目
题型:解答题难度:一般来源:不详
4-x |
2 |
2x-1 |
3 |
答案
-2x+2=4
-2x=4-2,
解得x=-1;
(2)
4-x |
2 |
2x-1 |
3 |
3(4-x)-2(2x-1)=6
12-3x-4x+2=6
-7x=6-2-12
x=
8 |
7 |
核心考点
举一反三
|
|
A.y=-6 | B.y=0 | C.y=
| D.y=6 |
(2)解方程:
x+1 |
2 |
2-3x |
3 |
4-x |
2 |
2x-1 |
3 |
4-x |
2 |
2x-1 |
3 |
8 |
7 |
|
|
A.y=-6 | B.y=0 | C.y=
| D.y=6 |
x+1 |
2 |
2-3x |
3 |