30 is equal to thrice y decreased by z

Discussion in 'Calculator Requests' started by math_celebrity, Apr 24, 2021.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    30 is equal to thrice y decreased by z

    Thrice y means we multiply y by 3:
    3y

    Decreased by z means we subtract z from 3y
    3y - z

    The phrase is means an equal to, so we set up an equation where 3y - z is equal to 30
    3y - z = 30
     
    math_celebrity, Apr 24, 2021
    #1

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