Multiple Choice Question (MCQ)

What is the solution set for the equation |2x-3| = 13 ?

  1. ×


  2. ×


  3. ×


  4. ×


  5. {5,-8}

Collected in the board: Algebraic equation

Steven Zheng posted 1 year ago


  1. Solution set refers to all values that could make the equation hold true. For a linear equation, there's normally one value in its solution set. However, if the linear equation contains absolute value, they may be more than one solutions.

    |2x-3| = 13

    Remove absolute value sign by making the absolute value equals to both positive and negative values on righ hand side. Then, two linear equations are obtained.

    2x-3 = 13 or 2x-3 = -13

    Solving the two equations gives

    x = 8 or x =-5


    The solution set of the equation is {-5,8}

    E is the correct answer.

Steven Zheng posted 1 year ago

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