GMAT Math : Solving linear equations with one unknown

GMAT Math : Solving linear equations with one unknown. Study concepts, example questions & explanations for GMAT Math. Example Questions. GMAT ... GMAT SignIn *Name Subject(optional) CreateProblemSet GMATMath:Solvinglinearequationswithoneunknown Studyconcepts,examplequestions&explanationsforGMATMath CreateAnAccount CreateTests&Flashcards AllGMATMathResources 22DiagnosticTests 693PracticeTests QuestionoftheDay Flashcards LearnbyConcept ExampleQuestions ←Previous1234Next→ GMATMathHelp» Problem-SolvingQuestions» Algebra» LinearEquations,OneUnknown» Solvinglinearequationswithoneunknown ExampleQuestion#1:SolvingLinearEquationsWithOneUnknown Forwhatvalueof wouldthefollowingequationhavenosolution? PossibleAnswers: Theequationmustalwayshaveatleastonesolutionregardlessofthevalueof . Correctanswer: Explanation:Simplifybothsidesoftheequationasmuchaspossible,andsolvefor  intheequationintermsof:  hasexactlyonesolutionunlessthedenominatoris0-thatis, .Wemakesurethatthisvaluerendersnosolutionbysubstituting: Theequationhasnosolution,and  isthecorrectanswer. ReportanError ExampleQuestion#1:SolvingLinearEquationsWithOneUnknown Solvefor: PossibleAnswers: Correctanswer: Explanation: ReportanError ExampleQuestion#3:SolvingLinearEquationsWithOneUnknown Solvefor: PossibleAnswers: Correctanswer: Explanation: ReportanError ExampleQuestion#1:SolvingLinearEquationsWithOneUnknown Solvefor: PossibleAnswers: Correctanswer: Explanation: ReportanError ExampleQuestion#5:SolvingLinearEquationsWithOneUnknown Whatisthemidpointcoordinateof and? PossibleAnswers: Correctanswer: Explanation:Midpointformula: ReportanError ExampleQuestion#1:SolvingLinearEquationsWithOneUnknown Whatisthemidpointcoordinateofand? PossibleAnswers: Correctanswer: Explanation:Midpointformula: ReportanError ExampleQuestion#7:SolvingLinearEquationsWithOneUnknown Whatisthemidpointcoordinateof and? PossibleAnswers: Correctanswer: Explanation:Midpointformula: ReportanError ExampleQuestion#8:SolvingLinearEquationsWithOneUnknown Solvethefollowingequation: . PossibleAnswers: Correctanswer: Explanation:Westartbyisolatingtheabsolutevalueexpression: Thisgivesustwocaseswhenweremovetheabsolutevalue:  and  Thenwesolveforeachcase: ReportanError ExampleQuestion#1:SolvingLinearEquationsWithOneUnknown Solvefor : PossibleAnswers: Theequationhasnosolution. Correctanswer: Explanation: ReportanError ExampleQuestion#10:SolvingLinearEquationsWithOneUnknown Solvefor : PossibleAnswers: Theequationhasnosolution. Correctanswer: Explanation: ReportanError ←Previous1234Next→ CopyrightNotice Tiredofpracticeproblems? TryliveonlineGMATpreptoday. 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