Mathematics
Senior High
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ここがなんでこうなるのか分かりません。
教えてください🙇‍♀️

4ヶく6z十7 より ー2ァく7, ァ>ーテ 63①

Answers

Answers

4x<6x+7
6xを移項して -2x<7
両辺を-2で割って x>-7/2
(負の数で割るので不等号の向きが変わる)

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