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blaiset

  • 3 years ago

let f(x) =3x+10 For what value of x does f(x) = x

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  1. just.chris
    • 3 years ago
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    substitute x for f(x) and solve for x

  2. liza2
    • 3 years ago
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    If f(x)=x, then x = 3x + 10 Can you solve from here?

  3. blaiset
    • 3 years ago
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    just.chris and liza2 ... so, x=3x+10 ? x=5 correct?

  4. blaiset
    • 3 years ago
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    sorry... x=-5

  5. just.chris
    • 3 years ago
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    Yup!

  6. blaiset
    • 3 years ago
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    cool... thanks gang

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