3(x - 4)= 5x -Solve for x.

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问题 3(x - 4)= 5x -Solve for x.

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答案4

解析 To solve this problem, first do the multiplication on the left side of the equation to get 3x - 12 = 5x - 20. Next, put the like terms together. To do this, subtract 3x from both sides, and add 20 to both sides to get 8 = 2x. Divide both sides by 2 to get x = 4.

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3(x - 4)= 5x -Solve for x.

GRE QUANTITATIVE

GRE

AstheNationalParkServicecelebratesits100thanniversary(周年纪念),PresidentBarackObamahasannouncedtheestablishmentof

Overtheyears,collegestudentshavestoodtogetherforwhattheybelievein,fromcivilrightstoanti-warpoliciestothemor

Asanyworkingmumcantellyou,runningabusinessandafamilyatthesametimeisanalmostimpossibleact.Therearenevere

Textbookpricesaretraditionallyhigh."Combinedwiththerisingcostoftuition,thepriceofbooksforourstudentsisjust

Thesciencebehindsolar(太阳的)energyisnotnew.ButSheridanCommunitySchoolsisthefirstschooldistrictinIndianatobec

Somepeoplethinkoflifeasagame.Therearesimilaritiesbetweenlifeandgames;bothcanbeplayed,bothhaverules,andbot

WhenIwasyoung,Ispentmysummervacationsonmygrandparents’farm.ThesummerthatIgraduatedfromcollege,I【C1】______my

Whatdoweknowfromthefirstparagraph?Whichofthefollowingistrueaccordingtothepassage?

Somepeopleexpresstheirlovethroughwords,______othersshowtheiraffectionbygivingpresents.

Inthefigureabove，threesquaresandatrianglehaveareasofA，B，C，andXasshown．IfA=144，B=81，andC=225，thenX=

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