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anonymous

  • one year ago

EASY FAN/MEDAL Solve for x: |2x + 6| − 4 = 20 A)x = 9 and x = 11 B)x = −9 and x = 15 C)x = 9 and x = −15 D)No solution

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  1. anonymous
    • one year ago
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    If my memory is correct, you would need to split this up into two problems: \[\left| 2x + 6 \right| -4 = 20\] and \[\left| 2x - 6\right|+4 =20\] Then solve for x for each equation...

  2. anonymous
    • one year ago
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    fan and medal for the answer

  3. anonymous
    • one year ago
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    wrong

  4. anonymous
    • one year ago
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    ?

  5. anonymous
    • one year ago
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    the answer is A

  6. anonymous
    • one year ago
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    just do this on your calculator and you'll see... :)

  7. anonymous
    • one year ago
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    thank you sooo much ^_^

  8. anonymous
    • one year ago
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    np :)

  9. myininaya
    • one year ago
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    \[|2x-6|-4=20 \\ \text{ add 4 on both sides } \\ |2x+6|=24 \\ \text{ this gives two equations to solve } \\ 2x+6=24 \text{ or } 2x+6=-24 \]

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spraguer (Moderator)
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