Maths

🎓 學業台小學及中學教育

用戶127878

2007-05-17 3:15 am

38-5N=2N+10
give me the step and answer

回答 (5)

Kathleen

2007-05-17 3:19 am

✔ 最佳答案

38-5N=2N+10
38-10=2N+5N
28=7N
N=4

所以N=4

參考: 自己

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＊露緹希雅＊

2007-05-17 3:23 am

38-10=2n+5n
28=7n
n=4

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jenny

2007-05-17 3:22 am

ANS：
38-10=2N+5N
28=7N
4=N

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Plastic Lap

2007-05-17 3:20 am

38-5N=2N+10
38-5N-10=2N
28=2N+5N
28=7N
N=28/7
N=4

參考: XDKY

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Frank Lam

2007-05-17 3:20 am

38-5N=2N+10
38-10=2N+5N
28=7N
28/7=N
4=N
N=4

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