3 times the sum of 2 decreased by x is 9

Discussion in 'Calculator Requests' started by math_celebrity, Nov 5, 2021.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    3 times the sum of 2 decreased by x is 9

    2 decreased by x:
    2 - x

    3 times the sum means we multiply 2 - x by 3:
    3(2 - x)

    The phrase is 9 means equal to, so we set 3(2 - x) equal to 9:
    3(2 - x) = 9
     

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