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Which expression is equivalent to 7h+2h7h + 2h?\newlineChoices:\newline(A) h9h^9\newline(B) h+9h + 9\newline(C) 10h10h\newline(D) 9h9h

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Full solution

Q. Which expression is equivalent to 7h+2h7h + 2h?\newlineChoices:\newline(A) h9h^9\newline(B) h+9h + 9\newline(C) 10h10h\newline(D) 9h9h
  1. Combine like terms: Combine like terms by adding the coefficients of hh.7h+2h=(7+2)h7h + 2h = (7 + 2)h=9h= 9h
  2. Match with choices: Match the result with the given choices.\newlineThe expression 9h9h corresponds to choice (D)(D) 9h9h.

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