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Old September 7th, 2008, 05:31 PM
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Default Algebra help!!!

Question i got : P is between T and K
so its a line and p is the between

TP=2x
PK=x+7
TK=4x-4

find the x

someone plz help me fasttttttt
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Old September 7th, 2008, 05:36 PM
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TP + PK = TK

substitute the expressions given for TP, PK, and TK into the above equation, then solve for x.
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Old September 7th, 2008, 05:37 PM
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x=7 ?
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Old September 7th, 2008, 05:43 PM
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how did you get x = 7?
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Old September 7th, 2008, 05:45 PM
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2x=x+7
did some regular stuff then

1x=7
then
x=7

if its wrong then tell me how u get a right answer...
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Old September 7th, 2008, 05:55 PM
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2x + x + 7 = 4x - 4

7 + 4  = 4x - 2x -x

11 = x
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