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What is the value of (a-b)/(b+c)? 1) a+b=b-c 2) (a/c) = -1 I

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What is the value of (a-b)/(b+c)? 1) a+b=b-c 2) (a/c) = -1 I [#permalink] New post 28 Oct 2005, 17:37
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What is the value of (a-b)/(b+c)?

1) a+b=b-c

2) (a/c) = -1

I don't understand the approach. Can someone help me and show their work and logic? Thanks.
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Re: DS - fractions (no idea the logic here) [#permalink] New post 28 Oct 2005, 17:57
mophead wrote:
What is the value of (a-b)/(b+c)?

1) a+b=b-c

2) (a/c) = -1

I don't understand the approach. Can someone help me and show their work and logic? Thanks.



a+b = b-c => a = -c

-c-b/(b+c) = -1 (c+b)/(b+c) = -1.
Re: DS - fractions (no idea the logic here)   [#permalink] 28 Oct 2005, 17:57
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What is the value of (a-b)/(b+c)? 1) a+b=b-c 2) (a/c) = -1 I

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