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Isabella purchased 3 books from the book store. She now owns 11 books that she wants to read before the end of the year. If x represents the number of books she started with, which equation could be used
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Isabella purchased 3 books from the book store. She now owns 11 books that she wants to read before the end of the year. If x represents the number of books she started with, which equation could be used to determine the value of x?

User Youcantryreachingme
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The answer is X = 11 - 3. This is because to calculate the original value of how many books Isabella had, you have to take away the amount purchased from the overall total amount. Therefore, the equation is x = 11-3
User Seldary
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