Alice thinks of a number

Alice thinks of a number. 

Alice calls her number a. 

Alice adds 7 to her number, and then doubles her answer. 

Write an expression, using a, to show what Alice does.

Comments

  1. Well if she adds seven first you would have (a + 7).
    Next she multiplies that answer by two to get 2(a+7)

    ReplyDelete

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