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anonymous

  • one year ago

Anyone know how to do this? Given the function f(x) = 2(x + 8), find x if f(x) = 12. 2 40 −2 14

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  1. freckles
    • one year ago
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    replace f(x) with 12 and solve for x

  2. tkhunny
    • one year ago
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    Have you considered substituting and solving. 12 = 2(x+8) Go!

  3. anonymous
    • one year ago
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    @freckles ty again lolol

  4. anonymous
    • one year ago
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    x=-2 @tkhunny

  5. tkhunny
    • one year ago
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    Is that correct?

  6. freckles
    • one year ago
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    you can check it @redskychicken by asking yourself is the following true: 12=2(-2+8)

  7. anonymous
    • one year ago
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    12=2(-2+8) 12=2(6) 12=12

  8. freckles
    • one year ago
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    12=12 is a totally true equation

  9. freckles
    • one year ago
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    so you did super awesome @redskychicken

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