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回答 (3)
2007-10-29 5:28 am
✔ 最佳答案
w=(-15)*3= -45
2007-10-29 5:29 am
-15 = -w/3 ...multiply both sides by -1
so 15 = w/3...multiply both sides by 3
so 45 = w.
or w= 45
so 15 = w/3...multiply both sides by 3
so 45 = w.
or w= 45
2007-10-29 5:28 am
-15=-w/3
multiply both side by -3, to remove negativity and denominator
-3[-15=-w/3]
get
45=w
multiply both side by -3, to remove negativity and denominator
-3[-15=-w/3]
get
45=w
收錄日期: 2021-05-03 13:55:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071028212400AAeUzdR