5y-4(3y-2)=-20

rtygcvbn

2007-10-04 4:47 am

5y-4(3y-2)=-20
y=?

回答 (3)

So Much

2007-10-04 4:50 am

✔ 最佳答案

5y-4(3y-2)=-20
5y-12y+8=-20
-7y=-28
y=4//

👍 0 👎 0

ka yan

2007-10-04 5:55 am

5y - 4(3y - 2) = -20
5y - 12y + 8 = -20
-7y = -28
y = 4

👍 0 👎 0

dsadaw

2007-10-04 5:01 am

5y-4(3y-2)=-20
5y-12y+8=20
-7y=12
y=12/-7

👍 0 👎 0

收錄日期: 2021-04-13 19:01:04
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071003000051KK03747

檢視 Wayback Machine 備份