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7th Class Mathematics Algebraic Expressions Question Bank Algebra

  • question_answer
    The solution of\[0.2(2x-1)-0.5(3x-1)=0.4\]is

    A)  \[\frac{1}{11}\]                                 

    B)  \[-\frac{1}{11}\]

    C)  \[\frac{3}{11}\]                                 

    D)  \[\frac{-3}{11}\]

    Correct Answer: B

    Solution :

     \[0.2(2x-1)-0.5(3x-1)=0.4\] \[0.4x-0.2-1.5x+0.5=0.4\] \[-1.1x=0.1\]or \[x=\frac{-1}{11}\]


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