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angelleighh

  • 3 years ago

Could someone help me solve this, please? I don't know how to solve it. 2|3x – 5| – 8 = 8

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  1. SGREBORN
    • 3 years ago
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    Try the equation 9x^2-30x+25 = 144

  2. Hero
    • 3 years ago
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    2|3x – 5| – 8 = 8 Add 8 to both sides to get 2|3x - 5| = 8 + 8 2|3x - 5| = 16 Divide both sides by two to get: |3x - 5| = 16/2 |3x - 5| = 8 Finish solving from there.

  3. angelleighh
    • 3 years ago
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    Thanks so much! xxx

  4. angelleighh
    • 3 years ago
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    8|x+3/4|<2 So far I have x<-1/2 But, I'm not sure of the other answer

  5. Yahoo!
    • 3 years ago
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    \[2|3x – 5| – 8 = 8 \] \[2(3x – 5) – 8 = \pm 8 \]

  6. Hero
    • 3 years ago
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    @yahoo, don't do things the hard way bro

  7. Hero
    • 3 years ago
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    8|x+3/4|<2 This is a different problem, right?

  8. angelleighh
    • 3 years ago
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    Nevermind I got -1

  9. angelleighh
    • 3 years ago
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    And yes, it was.

  10. Hero
    • 3 years ago
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    All you have to do is divide both sides by 8: |x+3/4|<2/8 Then use property of absolute value to get x+3/4<±2/8

  11. angelleighh
    • 3 years ago
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    A furniture maker uses the specification 19.88 ≤ w ≤ 20.12 for the width w in inches of a desk drawer. Write the specification as an absolute value inequality. (1 point) |w – 0.24| ≤ 20.12 |w – 20| ≤ 0.12 |w – 20| ≤ 0.24 |w – 0.12| ≤ 20 Could you help me with this one?

  12. Hero
    • 3 years ago
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    You have to start with the answer choices, then see which one gets you 19.88 ≤ w ≤ 20.12

  13. Hero
    • 3 years ago
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    Anytime you have something like |x - a| < b, then you can re-write it as -b < x - a < b

  14. Hero
    • 3 years ago
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    Then solve from there

  15. Hero
    • 3 years ago
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    So if you have to solve |x - 4| < 6 |x - 4| < 6 -6 < x - 4 < 6 -6 + 4 < x < 6 + 4 -2 < x < 10

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