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Which expression is equivalent to 2r+7r2r + 7r?\newlineChoices:\newline(A) r+9r + 9\newline(B) 8r8r\newline(C) r9r^9\newline(D) 9r9r

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Identify equivalent linear expressions Iright chevron icon

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Q. Which expression is equivalent to 2r+7r2r + 7r?\newlineChoices:\newline(A) r+9r + 9\newline(B) 8r8r\newline(C) r9r^9\newline(D) 9r9r
  1. Combine terms: Combine like terms: 2r2r and 7r7r. \newline2r+7r=9r2r + 7r = 9r

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