若分式方程a(x-1)分之2(x-a)=-2/5的解是x=3则a=多少
人气:481 ℃ 时间:2020-02-03 16:11:53
解答
将x=3代入:2(x-a)/a(x-1)=-2/5,得:
2(3-a)/a(3-1)=-2/5
解得:a=5
推荐
猜你喜欢
- 一辆汽车从甲地到乙地,行了全程的40%,离终点还有5千米,甲乙两地相距多少千米
- the big minute hand did not move.为什么不是the big minute hand was not move.
- However mean your life is,meet it and live it ;do not shun it and call it hard names.It is not so bad as you are.It look
- 已知直线l1:y=x+m和L2:y=-2x+n交于点P(-2,0),l1交y轴于点A,l2交y轴于点B.
- 『汉译英』“第二,我们应该把老师当成朋友.不要害怕老师,多与老师相处.”求翻译
- 士不可不弘毅,任重而道远.
- 民族资本主义与官僚资本主义的区别
- "我来了,我看见了,我征服了"的英文原文是什么?