The sum of 13 and twice janelles age

Discussion in 'Calculator Requests' started by math_celebrity, Aug 24, 2016.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    Let Janelle's age be the variable a.

    So twice Janelle's age is denoted as 2a.

    We want the sum of 13 and 2a.

    Sum means add.

    13 + 2a


    2a + 13

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