Posted by **Katie** on Thursday, April 17, 2008 at 8:05pm.

HOW DO YOU SOLVE (2c/c-4)-2=(4/c+5). WHAT IS THE LCD. HOW DO YOU FIND IT BECAUSE I NEED TO KNOW

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**kayla**, Thursday, April 17, 2008 at 8:09pm
ummm... i feel srry 4 u...tht looks REALLY hard...

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**Katie**, Thursday, April 17, 2008 at 8:11pm
It is and believe it or not I am crying because I have a test tomorrow

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**Damon**, Thursday, April 17, 2008 at 8:13pm
I suspect you mean

[ 2 c/ (c-4) ] - 2 = 4/(c+5)

LCD if I have your question right is (c-4)(c+5)

which by the way is c^2 + c -20

som ultiply all terms by (c-4)(c+5)

2 c (c+5) -2 (c^2 + c - 20) = 4 (c-4)

2 c^2 + 10 - 2 c^2 -2c + 40 = 4 c - 16

66 = 6 c

c = 11

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**Katie**, Thursday, April 17, 2008 at 8:18pm
I don't think that is the correct answer, according to my book it says the answer is -14. I got the same LCD you did

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**Katie**, Thursday, April 17, 2008 at 8:21pm
NEVERMIND your somewhat right,yet wrong answer helped me and I got the right answer.

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