Twice a number decreased by six

Discussion in 'Calculator Requests' started by math_celebrity, Jan 18, 2024.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    The phrase a number means an arbitrary variable. We can pick any letter a-z except for i and e.

    Let's choose x.

    Twice a number means we multiply x by 2:

    Decreased by six means we subtract 6 from 2x:
    2x - 6

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