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anonymous

  • one year ago

-4n+7+2n=1 A)1 B)3 C)-3 D)4

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  1. anonymous
    • one year ago
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    first combine like terms: -4n and 2n So what is -4n + 2n?

  2. anonymous
    • one year ago
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    -6n?

  3. anonymous
    • one year ago
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    8

  4. anonymous
    • one year ago
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    whoops subtract 7: -2n = 1-7 whats 1 - 7?

  5. anonymous
    • one year ago
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    sorry you have to subtract first- you must do the opposite operation!

  6. anonymous
    • one year ago
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    -6?

  7. anonymous
    • one year ago
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    Great!

  8. anonymous
    • one year ago
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    So -2n = -6 lastly you must divide by -2 SO... n = -6/-2 Whats -6/-2 ?

  9. anonymous
    • one year ago
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    3?

  10. anonymous
    • one year ago
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    Awesome So, your answer is n = 3! Get it?

  11. anonymous
    • one year ago
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    yea

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