1/x = - 1/7
WHY DOES X= -7??
please explain detaily!! THX
does the minus sign equals to both - 1/7 seven and one, it is
-1/-7??
My way to the answer? whats wrong with my steps?
1/x=-1/7
1= -x/7
-7=-x
x=7???????
Why is the answer -7???
PLEASE HELP ME, I REALLY APPRECIATE IT!!
MATHS EMERGENCY!
2009-07-25 10:08 pm
回答 (2)
2009-07-25 11:04 pm
✔ 最佳答案
解答︰我諗用中文解答會唔會好 d…
我係呢度都係用中文啦！
1/x = -1/7
其實個負號你中意放係邊都得嫁！
-1/7 你可以寫成 1/-7，個答案都係「負七份一」。
所以 x = -7。
你寫個條式既第三部出左問題…
1/x = -1/7
1 = -x/7
1(7) = -x
7 = -x
-x = 7
x = 7/-1
x = -7
所以答案為 -7。
如有不明白，可以再在意見補充的！
希望可以幫到你！
參考: Me
2009-08-03 10:21 pm
1/x=-1/7
-1/x=7
x=-7
yes, the minus sign equals to both - 1/7 seven and one, it is
-1/-7.
-1/x=7
x=-7
yes, the minus sign equals to both - 1/7 seven and one, it is
-1/-7.
收錄日期: 2021-04-23 22:36:44
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