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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GRE

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

GRE QUANTITATIVE

GRE

Whenshedoessomething,Mrs.Brownfeelsthatherlittlechildisalways______.

______therain,wewouldhavehadapleasanttriptothecountryside.

Interviewer:HowlongdidyouliveintheStates?Interviewee:Iwastherefortwoyears,inNewYork,andIenjoyedittremendo

Caraccidentskillmorethanonemillionpeopleandinjureapproximately50millioneachyear.【C1】______,millionsoffishcans

Allthefollowingcasesareon-the-jobsmokingexceptthat______.Accordingtothepassage,on-the-jobsmokingaffectsanemplo

Today,cigarettesmokingisacommonhabit.Aboutforty-threepercentoftheadultmenandthirty-onepercentoftheadultwomen

Collegeisanewandchallengingexperience,andnewandchallengingexperiencetendtoproducestress.Consequently,stressis

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