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Which expression is equivalent to 3r+3r3r + 3r?\newlineChoices:\newline(A) r+6r + 6\newline(B) r6r^6\newline(C) 5r5r\newline(D) 6r6r

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Q. Which expression is equivalent to 3r+3r3r + 3r?\newlineChoices:\newline(A) r+6r + 6\newline(B) r6r^6\newline(C) 5r5r\newline(D) 6r6r
  1. Combine like terms: Combine the like terms by adding the coefficients of rr.3r+3r=(3+3)r3r + 3r = (3 + 3)r=6r= 6r

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