题目内容
已知ax+2=2a-2x的解满足|x+
|=0,则a=______.
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| 2 |
由|x+
|=0,得x+
=0,所以x=-
,
把x=-
代入原方程,
得-
a+2=2a-2×(-
),解得a=
.
答案:
.
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| 2 |
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| 2 |
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| 2 |
把x=-
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| 2 |
得-
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答案:
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