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Old 07-24-2007   #1
dishbaby2003
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Default Math Equation?

-5 < 3-4x < 19I keep coming up the same wrong answer ! The right answer is (-4, 2). Don't know what I'm doing wrong !
 
Old 07-24-2007   #2
jeremy s
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-5 < 3-4x < 19 subtract 3 from both sides-8 < -4x x > -4
 
Old 07-24-2007   #3
Tim G
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can u plz post this at http://www.tutorbuddy.org i will answer wen u post
 
Old 07-24-2007   #4
nyc_transit_worker
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-5 < 3-4x < 19-8 < -4x < 16 [signs switch when divide by negative]2 > x > -4
 
 

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