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Need help with maths..Question:3(x-1)=x+4..The solution given..x=3.5.My question??How did they get the value of x is 3.5.Thanks!
3(x - 1) = x + 4 3x - 3 = x + 4 3x - x = 4 +3 2x = 7 x = 7/2
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Asked 8/18/2009 2:04:12 PM
Updated 1/13/2014 11:24:35 AM
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3(x - 1) = x + 4

3x - 3 = x + 4

3x - x = 4 +3

2x = 7

x = 7/2
Added 1/13/2014 11:24:35 AM
This answer has been confirmed as correct and helpful.
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hi,and welcome to weegys where your question get answered.
Added 8/18/2009 2:44:33 PM
Flagged by andrewpallarca [1/13/2014 11:23:45 AM]
3(x-1)=x+4
3x-3 = x+4
3x-x=4+3
2x=7
x=3.5
Added 8/18/2009 3:03:03 PM
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