首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
解方程:5x-2=-7x+8
查看本题答案
包含此试题的试卷
教案备课库《七年大班数学学案6.2.1解一元一次方程》真题及答案
点击查看
你可能感兴趣的试题
解方程x2-3x+5+6x2-3x=0
用代入法解方程组时将方程①代入②中所得的方程正确的是.
3x+4y-3=8
3x+4x-6=8
3x-2x-3=8
3x+2x-6=8
解方程x2x﹣5=4x﹣10
解方程x+8x﹣6=72.
解方程x2x-5=4x-10.
解方程5x﹣5+2x=﹣4.
某同学解方程5x﹣1=□x+3时把□处数字看错得x=2它把□处看成了
3
﹣9
8
﹣8
解方程x-5x+1=2x-5
小李在解方程x为未知数时误将-x看作+x解得方程的解则原方程的解为_________________
小张在解方程5a-x=13时误将-x看作+x得到方程的解为x=-2则原方程的解为________.
解方程2x﹣4=5x﹣8.
下列解方程的过程中错误的是
方程2x+5=-4变形为2x=-4+5
方程2x-5=-4变形为2x=-4+5
方程3x=8-x变形为3x+x=8
方程8-x=3x变形为x+3x=8
解方程.5x+8-5=62x-7
解方程①21-x=-5x+8
解方程.5x+8-5=-62x-7
下列解方程的过程中正确的是
x
2
=-2,解方程,得x=±
(x-2)
2
=4,解方程,得x-2=2,x=4
4(x-1)
2
=9,解方程,得4(x-1)=±3,x
1
=
,x
2
=
(2x+3)
2
=25,解方程,得2x+3=±5,x
1
=1,x
2
=-4
理解同解方程的定义再解题1同解方程的定义为如果两个方程的解相同那么这两个方程叫同解方程反之如果两个方
解方程x﹣52=25﹣x
解方程x+1x-1+2x+3=8.
解方程2x2x-5=5-8x
热门试题
更多
ThelibraryisquietandIereadingthere.
—Lisawhatareyoudoingnow?—Oh!Iamtalkingwithmyfriend thephone.A. on B. of C. at D.in
Ilikewinterbestbecauseitoften snow.
Thebankisonthersideofthehotel.
It'saniceday it?A.isn't B.is C.doesn't D.does
—CanyouhelpmewithmyEnglish?—Sureno.
Iwanttovisitalotof countryintheworld.
Whatfineweather!A. a B./ C.an D.the
Putin普京isfrom.HecanspeakEnglishandGerman.A.RussiaRussian B.RussianRussianC.RussiaRussia D.RussianRussia
Canyouswimtheriver?A.near B.between C.from D.across
Therearesomeshopsnearhere.改为一般疑问句并作肯定和否定回答shopsnearhere?Yes/No.
Mr.Blacklookedabutcouldn'tseehisson.
YoursocksaresodWashthemrightnow!
Letmetellyouhowtogettotheairport.改为同义句Letmetellyou theairport.
A.snow B. visit C. skate D.house
Go thestreetandthenturnleft BridgeStreet.A.along;on B.along;at C.straight;on D.down;in
Turnl atthefirstcrossingandthehospitalisonyourright.
Thereislotsof here.It's now.A.snowsnowB.snowsnowing C. snowssnowingD.snowingsnowing
It's heavilyoutside.Don'tforgettotakeyourumbrella.
A.use B. sunny C. supper D.just
Whatabeautifulflower!Whynotaphotoofit?
—Let'sgotothemoviesonSaturdayafternoon.—.A.YesYdloveto B.SorryI'mnot C.Idon’tknowD.That’sagoodidea
—Couldyoutellhermeback?—SureIwill.A.call B. tocall C.calling D.tocalling
B假如你是Jack五月阳光灿烂你和家人去大连度假请根据表格给你的朋友Peter写一封明信片介绍你的假期生活要求字迹工整逻辑清晰可适当发挥不少于80词15分
Iwanttocallyou myphonedoesn'twork.A.and B. or C.but D.so
—Whatdoyouusuallydowhenitrains?—.A.I'mreadingabook B. IwanttoreadabookC.Iusuallyreadabookathome D. I'dliketoreadabook
—Isthereapayphonenearhere?—Yes.A.itis B.thereis C.thisis D.thereare
TomishavingagreattimehisgrandparentsinShanghainow.A.play B. playing C. visit D.visiting
—Arethereanyhotelsnearhere?—Yesthere's behindthebusstation.A.it B.one C. other D. some
Turnrightatthefirstcrossing.改为同义句thefirstontheright.
热门题库
更多
教案备课库
教案备课库
高一下学期数学
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库
教案备课库
高一上学期物理
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库