2(x+2)=3(x-4)

2007-05-13 1:04 pm
帮帮我吧!!!!!!! 2(x+2)=3(x-4). x=什么

回答 (5)

2007-05-13 1:14 pm
✔ 最佳答案
2(x+2)=3(x-4)

2x + 2 X 2= 3x - 3 X 4

2x + 4 = 3x - 12

2x + 4 + 12 = 3x

2x + 16 = 3x

16 = 3x - 2x

16 = x

x = 16
2007-05-13 5:47 pm
2(x+2)=3(x-4)
2x + 4 = 3x - 12

x = 16
參考: 書名
2007-05-13 4:32 pm
2(x+2)=3(x-4)
2x+4 =3x-12
3x-2x =12+4
x=16
參考: ME!!!
2007-05-13 1:33 pm
2(x+2)=3(x-4)
2x+4=3x-12
4+12=3x-2x
16=x
2007-05-13 1:15 pm
2(x+2)=3(x-4)
2x + 4 = 3x - 12
4 + 12 = 3x - 2x
x = 16


收錄日期: 2021-04-25 19:54:10
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070513000051KK00656

檢視 Wayback Machine 備份