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justinee

  • 3 years ago

i need someone to check this for me;; 4|v - 5| = 16 4v - 20 = 16 +20 +20 ------------ 4v = 36 /4 /4 ------------ v = 9 4v - 20 = -16 +20 +20 ------------ 4v = 4 /4 /4 --------- v = 1

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  1. neverforgetvivistee
    • 3 years ago
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    no don't use the distributive propetry

  2. moneybird
    • 3 years ago
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    \[\pm (v-5) = 4\] v - 5 = 4 v = 9 - v + 5 = 4 v = 1

  3. justinee
    • 3 years ago
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    why is there a + sign in front of (v - 5)

  4. neverforgetvivistee
    • 3 years ago
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    you have to get the numbers in the absolute value sign alone, you would do that by dividing 4 by 16, so then you'll have |v - 5| = 4 Now what's NOT in the absolute value sign, you will turn into negative and positive to get your two soulitons v -5= -4 add 5 v = 1 v-5=4 add 5 v=9

  5. neverforgetvivistee
    • 3 years ago
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    that means plus and minus

  6. justinee
    • 3 years ago
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    i still got the same answer..

  7. moneybird
    • 3 years ago
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    it's plus or minus

  8. neverforgetvivistee
    • 3 years ago
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    oh cool i didn't know you could do that

  9. justinee
    • 3 years ago
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    :)

  10. justinee
    • 3 years ago
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    i just did that cause i thought you were suppose to do that.

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