2. 外语
  3. Refer to the following graphs for Questions. If x+3y=3 and (x+y)2=4, which of the following is a possible value of x?

Refer to the following graphs for Questions. If x+3y=3 and (x+y)2=4, which of the following is a possible value of x?

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问题    Refer to the following graphs for Questions.
If x+3y=3 and (x+y)2=4, which of the following is a possible value of x?
选项 A、-8
B、-5
C、
D、3/2
E、5
答案D
解析
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