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Question

Mike sold one-third of his novels. He gave 2 novels to his friend Tom. He is left with 8 novels.
Derive an algebraic expression from the above comprehension to find the number of novels he had initially.

A
2=2x38
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B
8=2x3+2
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C
8=x32
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D
8=2x32
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Solution

The correct option is D 8=2x32
Let the number of novels Mike had intially be x

Given,
Number of novels sold =13×x
Remaining number of novels after sale =(113)×x=2x3

The number of novels given to Tom = 2
Finally, the number of novels left = 8

Finally, number of novels left = Remaining number of novels after sale - Number of novels given to Tom
8=2x32

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