3 decreased by 7 times a number

Discussion in 'Calculator Requests' started by math_celebrity, Feb 17, 2017.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    3 decreased by 7 times a number

    A number signifies an arbitrary variable, let's call it x.

    7 times a number:
    7x

    3 decreased by this means we subtract 7x
    3 - 7x
     

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