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23-12-2015
Mathematics

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Grade 3: Explain why it does not matter what letter or symbol is used to find an unknown number

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23-12-2015

because it's just a substitute for that number that's supposed to be there

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jarodsamo jarodsamo

23-12-2015

The coefficient (letter chosen) that is used does not matter as it is only to show that it is an unknown variable, if you have more than one variable you need more than one type of coefficient (use different letters for different ones you dont know).

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