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Algebra: SOlve the inequality: 2(x-5)<4x

Sent to Math Experts May 16 05:35 PM

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Subject: Algebra

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May 16 5:43 PM (7 minutes and 32 seconds later)
         
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Hi,

2 (x-5) < 4x
2x-10 < 4x ...expand bracket
2x-10-4x < 0 ....subtract 4x from both sides
-2x -10 < 0 .... add the x's
-2x < 10 .... add 10 to both sides
-x < 5 .... divide both sides by 2
or
x > -5 ... multiply both sides by -1 and switch the < sign to > sign

Answer: x > -5

Hope this helps. Let me know if you have any questions.

 

 



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