Solve |6x+8|=|3x-7| for x.

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问题 Solve |6x+8|=|3x-7| for x.

选项

答案 To find the possible answers for x in this problem, set up two equations: 6x+8=3x-7, and6x+8=-(3x-7). First, distribute the minus sign in the second equation, giving you 6x+8=-3x+7. Then solve both for x: 3x=-15, and 9x=-1 [*]

解析

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Solve |6x+8|=|3x-7| for x.

GRE QUANTITATIVE

GRE

Youmay______this;Idon’twantitback.

Televisionhasopenedwindowsineverybody’slife.Youngmenwillneveragaingotowarastheydidin1914.Millionsofpeople

Microblogging(微博)appearedin2006andhasmovedfromitsearly,perceivedlimitationstogrowinpopularityandbecomeapowerfu

WhentheUnitedStatesCongresscreatedYellowstoneNationalParkin1872,thegoalwastosetasideaplacewhereAmericanscou

In2014,olderAmericansfell29milliontimes,leadingto7millioninjuries,accordingtoareportpublishedlastweek.About

AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswrong.Theplanewasmovingunsteadilythroughtheair

Thewaypeopleholdtothebeliefthatafunfilled,painfreelifeequalshappinessactuallyreducestheirchancesofeveratta

ThenovelIboughtlastweekisworth______,Ithink.

Select4peoplefrom3boysand3girls.Whatistheprobabilityoftwoboysandtwogirlsbeingselected?

Newtechniquesinthermal-scanningphotography,aprocessthatrecordsradiationfromsurfaceareas,makesitpossibletostudy

肾衰竭行血液透析患者的饮食应选

A．小肠B．大肠C．膀胱D．胆E．胃与心互为表里的是

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Doctorsareoftencaughtina______becausetheyhavetodecidewhethertheyshouldtelltheirpatientsthetruthornot.