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Which of the following is a solution of 2x + 7 < 6?
2016-07-13 9:23 pm
回答 (1)
2016-07-13 9:25 pm
✔ 最佳答案
2x + 7 < 62x < 6-7
2x < -1
x < -1/2
-1 is the only solution to 2x+7 < 6
收錄日期: 2021-05-01 20:55:24
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160713132301AABDVr4