3x+2y-69w/9=18
y=23
x=? w=?
Mathes,20 point
2007-12-29 2:44 am
回答 (1)
2007-12-29 3:25 am
✔ 最佳答案
3x + 2y - 69w/9 = 18when y = 23,
3x + 2(23) - 69w/9 = 18
3x + 46 - 69w/9 = 18
3x - 69w/9 = -28 !!!
If there is no more restrictions on x and w, it is impossible to solve two unknowns in one equation.
參考: knowledge
收錄日期: 2021-04-28 14:20:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071228000051KK03786