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Solve the inequality -4(x + 4) > x + 7. Give your answer as an interval.

 Mar 1, 2020
 #1
avatar+11719 
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-4(x + 4) > x + 7.

 -4x - 16 > x + 7   | -x + 16

        -5x > 23       | : (-5)

           x < -4.6

[-inf , -4.6]

 

laugh

 Mar 1, 2020
 #2
avatar+22043 
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slight correction   ( - inf , -4.6 )          (edited)

ElectricPavlov  Mar 1, 2020
edited by ElectricPavlov  Mar 1, 2020
 #3
avatar+155 
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i dont see much a differance (srry for my spelling)

TacoBell  Mar 1, 2020
edited by TacoBell  Mar 1, 2020
 #4
avatar+22043 
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There ISN'T much of a difference...that is why it is a 'slight' correction !  cheekycheeky

ElectricPavlov  Mar 1, 2020
 #5
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I got that but it was wrong...

Guest Mar 1, 2020
 #6
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0

Ooops sorry....I didn't read the answer

( - inf  ,  -4.6 )      parentheses on both sides      not brackets....

Guest Mar 1, 2020
 #7
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THANKS!!

Guest Mar 1, 2020

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