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7th Class Mathematics Algebraic Expressions Question Bank Algebra

  • question_answer
    In\[6\left( 2a-1 \right)+8=14,\]the value of \['a'\] is

    A)  \[-1\]                          

    B)  \[3\frac{1}{12}\]

    C)  \[1\frac{3}{12}\]                               

    D)  \[+1\]

    Correct Answer: D

    Solution :

     \[6(2a-1)+8=14\] \[12a-6+8=14\] \[12a=14+6-8=20-8\] \[a=\frac{12}{12}=1\]


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