7y+6=12y+2.4 y=?
回答 (12)
2007-04-13 2:38 am
7y+6 =12y+2.4
6-2.4 =12y-7y
4.8 =5y
y =0.72
so y=0.72
6-2.4 =12y-7y
4.8 =5y
y =0.72
so y=0.72
2007-04-12 6:25 pm
7y+6=12y+2.4
7y+6-7y=12y+2.4-7y
6-2.4=5y+2.4-2.4
3.6=5y
y=0.72
2007-04-20 19:51:24 補充：
雖然答案簡潔有力，但.........
7y+6-7y=12y+2.4-7y
6-2.4=5y+2.4-2.4
3.6=5y
y=0.72
2007-04-20 19:51:24 補充：
雖然答案簡潔有力，但.........
參考: me
2007-04-12 5:19 pm
The value of y.
7y+6=12y+2.4
7y+6-2.4=12y
7y+3.6=12y
3.6=12y-7y
3.6=5y
3.6/5=y
0.72=y
i.e. y=0.72
Therefore, y is equal to 0.72.
7y+6=12y+2.4
7y+6-2.4=12y
7y+3.6=12y
3.6=12y-7y
3.6=5y
3.6/5=y
0.72=y
i.e. y=0.72
Therefore, y is equal to 0.72.
2007-04-12 6:06 am
7y+6=12y+2.4
6-2.4=12y-7y
3.6=5y
0.72=y
y=0.72
Y=0.72//. XP
6-2.4=12y-7y
3.6=5y
0.72=y
y=0.72
Y=0.72//. XP
2007-04-12 6:05 am
7ｙ+ 6 = 12ｙ+ 2.4
6 - 2.4 = 12ｙ- 7ｙ
3.6 = 5ｙ
ｙ= 0.72
我計得係味令D -.-
6 - 2.4 = 12ｙ- 7ｙ
3.6 = 5ｙ
ｙ= 0.72
我計得係味令D -.-
參考: 岩岩自己計左好耐先計到-.-
2007-04-12 6:03 am
7y+6=12y+2.4 y=?
0.72
7y+6=12y+2.4
7y-7y6=12y-7y+2.4
6=5y+2.4
6-2.4=5y+2.4-2.4
3.6=5y
y=0.72
0.72
7y+6=12y+2.4
7y-7y6=12y-7y+2.4
6=5y+2.4
6-2.4=5y+2.4-2.4
3.6=5y
y=0.72
收錄日期: 2021-04-12 19:16:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070411000051KK06014