Mathematics
Junior High
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なぜ不等号の向きが変わるのですか

5n+48<0 48 b0-57 n> = 9.6 5

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✨ Best Answer ✨

-5n<-48
5n>48
n=9.6. 両辺を-でかけてるからだと思います

John

n>9.6
間違えました

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