-28 is the solution to the sum of a number p and 21

Discussion in 'Calculator Requests' started by math_celebrity, Sep 10, 2020.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    -28 is the solution to the sum of a number p and 21

    The sum of a number p and 21:
    p + 21

    The phrase is the solution to means an equation, so we set p + 21 equal to -28:
    p + 21 = -28

    If the problem asks you to solve for p, then we type this into our search engine and we get:
    p = -49
     

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