优课网
首页
数学
语文
英语
化学
物理
政治
历史
生物
首页
> 当a为何值时,方程xx-3=2+ax-3无解?-数学
当a为何值时,方程xx-3=2+ax-3无解?-数学
题目简介
当a为何值时,方程xx-3=2+ax-3无解?-数学
题目详情
当a为何值时,方程
x
x-3
=2+
a
x-3
无解?
题型:解答题
难度:中档
来源:不详
答案
原方程可化为x=2(x-3)+a,
整理得,x=2x-6+a,
-x=-6+a,
a=6-x,
当x=3时,a=3.
可见,当a=3时,原分式方程无解.
上一篇 :
I'm so glad you've come here
下一篇 :
解方程:(1);(2)-八年级数学
搜索答案
更多内容推荐
当时,方程有增根。-八年级数学
小明每天骑自行车或步行上学,他上学的路程为2800米,骑自行车的平均速度是步行平均速度的4倍,骑自行车比步行上学早到30分钟。设小明步行的平均速度为米每分钟,根据题议,-八年级数学
解方程:.-九年级数学
方程的解是.-八年级数学
Apple_____ to intense pressure from Chinese state media about its customer service practices, apolog
—I beg your pardon? —Your mind must have been _________ when I was speaking, wasn't it? [ ]A. w
若分式方程x-1x-3=mx-3无解,则m=()A.0B.2C.1D.3-数学
Equipped with the information they have gathered, they canpreparing their business plan.A.set outB.s
(2011广西南宁,20,6分)解分式方程:=-七年级数学
(1)2-xx-3+13-x=1(2)11-x2=-3x-1-51+x.-数学
分式方程1x-2-1-x2-x=1的两边同乘以(x-2),约去分母得()A.1+(1-x)=x-2B.1-(1-x)=x-2C.1-(1-x)=1D.1+(1-x)=1-数学
已知:关于x的方程2-xx-3=-2-ax-3无解,则a的值为()A.1B.-1C.-11D.-5-数学
若分式方程x-1x-3=ax-3有增根,则a=______.-数学
What you should do is just ________ the milk until it boils and then turn off the gas.[ ]A.watchB.no
The whole morning _____ the windows and the floors tomorrow.A.shall be spent to washB.is going to ta
若分式方程1-xx-2=a2-x-2有增根,则a=______.-数学
方程的解是=.-九年级数学
—Marry, I think you have left your umbrella in the restaurant.--Oh, so I have. Igo and fetch it at o
解方程:(1)(5分)(2)(5分)-八年级数学
I _________ her not to walk on the thin ice but she wouldn't listen.[ ]A. suggestedB. hopedC. w
Gaddafi's failure in Sirte _________ him the last opportunity to reestablish the government.[ ]
分式方程的解是▲;-七年级数学
This area is rich in coal,so habitants here use tons of coal to _____ electricity.A.offerB.createC.b
Once you ______ the habit of smoking, it is hard to quit.A.get overB.get intoC.get throughD.get up-高
Why does teaching as a career ________ many people?A.apply forB.attract to C.appeal toD.agree with-高
如果x+11-x的值和4+2x1-x互为相反数,那么x=______.-数学
When I arrived I saw the place was already ________ by two strangers in uniforms. [ ]A.conqueredB.oc
分式方程的解是()A.-3B.2C.3D.-2-九年级数学
The purpose of the newly-invented robots which can help bathe people is tothe dignity and privacy of
The children in some remote areas are looking forward ______ a chance to receive further education.A
有两块面积相同的试验田,分别收获蔬菜900kg和1500kg.已知第一块试验田每亩收获蔬菜比第二块少300kg,求第一块试验田每亩收获蔬菜多少千克.设第一块试验田每亩收获蔬菜xkg,-七年级数学
解方程:xx-2-2=3(x+2)2-x.-数学
Though most people know that smoking ________ the risk of cancer, it is still hard for them to give
The city, ________ by mountains and lakes, is so beautiful that they have decided to stay there for
--- Is your new team-mate a good guy? --- Yes. He is kind, skillful, hard-working and intelligent; _
He could see the tall chimneys(烟囱) of the factory ______.A.from distanceB.in distanceC.in the distan
She ______to them about her age in order to get the job.A.layB.laidC.liedD.lain-高一英语
解方程:-九年级数学
解方程:-九年级数学
The two boys share the same hobbies but they are quite different _______ personality.A.inB.withC.for
More and more trees should be planted in spring to________sandstorms happening frequently.[ ]A. prot
The medical team ______ 5 doctors and 3 nurses was sent to Africa last week.A.consisted ofB.made up
—How are the team playing?—They're playing well, but one of them________hurt.[ ]A. gotB. hadC.
解分式方程:-八年级数学
解方程:xx-1=1-3(1-x)(x+2)-数学
While our manager is away on business, our company will be _______Mr Zhang.A.in the charge ofB.in ch
解方程:-=1-九年级数学
解方程:2(x2+2x)=3x2+2x-5-数学
已知:,那么.-七年级数学
The old photos buried at the bottom of the suitcase________me of those happy old days we had spent t
返回顶部
题目简介
当a为何值时,方程xx-3=2+ax-3无解?-数学
题目详情
答案
整理得,x=2x-6+a,
-x=-6+a,
a=6-x,
当x=3时,a=3.
可见,当a=3时,原分式方程无解.