Math

Let $f(x) = \dfrac{2-3x}{5-2x}$. For what value of $a$ is $f(a) = 3$?

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asked by Joe
  1. f = (2-3x)/(5-2x)
    f(a) = 3 when

    (2-3a)/(5-2a) = 3
    2-3a = 15-6a
    3a = 13
    a = 13/3

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    posted by Steve

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