Yahoo Answers: Answers and Comments for I got true for the question but the answer is false can someone please explain why its false? (A − C) − (B − C) = A − B.? [Homework Help]
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From Anonymous
enIN
Tue, 19 Nov 2019 16:09:28 +0000
3
Yahoo Answers: Answers and Comments for I got true for the question but the answer is false can someone please explain why its false? (A − C) − (B − C) = A − B.? [Homework Help]
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https://in.answers.yahoo.com/question/index?qid=20191119160928AAm6yrf
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From Lôn: Remove the brackets...
A  C  B + C
= A  B...
https://in.answers.yahoo.com/question/index?qid=20191119160928AAm6yrf
https://in.answers.yahoo.com/question/index?qid=20191119160928AAm6yrf
Tue, 19 Nov 2019 17:09:55 +0000
Remove the brackets...
A  C  B + C
= A  B
YOU are correct.... their answer is wrong.

From Mark: Order of operation. You do the stuff in paren...
https://in.answers.yahoo.com/question/index?qid=20191119160928AAm6yrf
https://in.answers.yahoo.com/question/index?qid=20191119160928AAm6yrf
Tue, 19 Nov 2019 16:20:49 +0000
Order of operation. You do the stuff in parentheses first, THEN the rest. Using (this is just an example) A=5, B=4, and C=1, doing it correctly, the answer would reduce to 1. Doing it like ACBC will yield 1.

From Anonymous: Two negatives make a positive so  (C) is +C....
https://in.answers.yahoo.com/question/index?qid=20191119160928AAm6yrf
https://in.answers.yahoo.com/question/index?qid=20191119160928AAm6yrf
Tue, 19 Nov 2019 17:02:46 +0000
Two negatives make a positive so  (C) is +C.
Then A  C  B + C and the C's cancel out.