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2 votes
When given an algebraic expression involving subtraction why is it the best to be right there scratching using addition before identifying the terms

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User Marco Jr
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1 Answer

3 votes
Is "scratching" part of algebra? Perhaps you meant a different word.

Please go back to the original question and ensure that you have copied all of it and copied it correctly. I'm just not sure what you're asking here.

answered
User Nakrill
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7.3k points

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