题目内容
当y为何值时,代数式
+
与
-1的值相等.
| y-1 |
| 2 |
| 1-2y |
| 3 |
| 2y-3 |
| 6 |
由题意得:
+
=
-1,
去分母得:3(y-1)+2(1-2y)=2y-3-6,
解之得:y=
.
| y-1 |
| 2 |
| 1-2y |
| 3 |
| 2y-3 |
| 6 |
去分母得:3(y-1)+2(1-2y)=2y-3-6,
解之得:y=
| 8 |
| 3 |
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题目内容
| y-1 |
| 2 |
| 1-2y |
| 3 |
| 2y-3 |
| 6 |
| y-1 |
| 2 |
| 1-2y |
| 3 |
| 2y-3 |
| 6 |
| 8 |
| 3 |