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Each closed box holds marbles and each bag holds marbles. Some marbles are also lying loose. Which expression gives the total number of marbles in the picture?

Class 7Terms and CoefficientsAlgebra
  • A
  • B
  • C
  • D

Step-by-Step Solution

3 boxes give , 2 bags give and there are 4 loose marbles, so the total is . The terms are unlike, so they cannot be joined into ; leaving out the loose marbles gives .
Answer: B)

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