9th grade algebra

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Find the value of x so that F(x)=23

I can't figure this out?

Could someone help? Thanks.

  • 9th grade algebra -

    if F(x) is = 23 for all x, then x can be -3045,or 5432, or 1

    Is F(x) otherwise defined?

  • 9th grade algebra -

    She told me F(x) is another name for Y.

    But, then it doesn't make sense.

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