一元一次方程————等式的性质,一道应用题
当C取任何值时,等式ac—b—4c=3仍成立,求a,b的值.
人气：160 ℃ 时间：2020-03-14 14:50:40
解答
ac - b - 4c = 3
(a - 4)c = b + 3
因为当C取任何值时,等式仍然成立
所以 a - 4 = 0 ,b + 3 = 0
所以 a = 4 ,b = -3
推荐
猜你喜欢
- 有don't do sth instead of doing的用法吗,怎么翻译?
- A successful team beats with one heart是什么意思
- he often___(relax) half a day
- 用作图法求直线斜率时,必须采用什么方法?
- Edward Smith is _____old.He works in a bank.
- 连词成句 threw,Li,Ming,the,ball,another,boy,to
- Lily doesn't want to buy__same present__Lucy did填空
- 麻烦您了,您帮我看看这道题呗 we see things by our eyes对么?为什么
