7th Class Mathematics Algebraic Expressions Question Bank Algebraic Expressions

  • question_answer
    What is the difference between \[3a+2b\]and\[-2a\,-5b\]?

    A)  \[5a+7b\]            

    B)         \[-5a-7b\]

    C)  \[5a-7b\]           

    D)         \[a-3b\]

    Correct Answer: A

    Solution :

     \[(3a+2b)-(-2a-5b)\]\[=3a+2b+2a+5b=5a+7b\]


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