关于x的方程2(x-1)=3m-1与3x+2=-2(m+1)的解互为相反数,求m的值.
人气:401 ℃ 时间:2019-08-22 15:29:06
解答
由2(x-1)=3m-1,
解得,x=
,
由3x+2=-2(m+1),
解得,x=
,
∵两方程的解互为相反数,
∴
+
=0,
解得m=1.
故答案为:m=1.
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