solve the equation
回答 (2)
✔ 最佳答案
0.5x - 1.5x + 2 +15 =1
- x + 17 -1 = 0
- x + 16= 0
16 = x
x = 16
0.5x+2+15-1.5x=1
0.5x-1.5x=1-2-15
-x=-16
x=16
收錄日期: 2021-04-18 17:33:40
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110629000051KK00340
檢視 Wayback Machine 備份