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deboragranja

  • one year ago

What is the solution set for |–2x + 16| – 9 = –3

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  1. Compassionate
    • one year ago
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    Hello, you first want to solve the equation for x. Can you do that for me, hun?

  2. deboragranja
    • one year ago
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    x=11

  3. Compassionate
    • one year ago
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    There you go ;)

  4. deboragranja
    • one year ago
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    thats the answer to the entire thing?

  5. genius12
    • one year ago
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    nope there is 2 answers.

  6. deboragranja
    • one year ago
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    11 and -11 right?

  7. genius12
    • one year ago
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    nope.

  8. Compassionate
    • one year ago
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    No. It's actually 11 and 5. Do you know why?

  9. deboragranja
    • one year ago
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    okay help me idk why

  10. genius12
    • one year ago
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    \[\bf |-2x+16|=6 \implies -2x+16=6 \ or \ -2x+16=-6\]

  11. genius12
    • one year ago
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    You have to cases to solve for. Since it's an absolute value, the answer could be +6 or -6 but either way it would come out as 6. So we consider both cases and solve for x in each case. We get x = 5 and x = 11.

  12. deboragranja
    • one year ago
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    ohhhhh okay thank you i get it.

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