Solve for x if the midpoint between the two points(x,1)and(-2, -3)is(5,-1).

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问题 Solve for x if the midpoint between the two points(x,1)and(-2, -3)is(5,-1).

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答案12

解析 You only have to solve for the x-coordinate because you are given the y-coordinate:
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本试题收录于: GRE QUANTITATIVE题库GRE分类
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