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15-08-2016
Mathematics

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if x is an odd number,write an expression for the odd number that comes directly before x.

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MartynBH MartynBH

15-08-2016

Lets just say hypothetically that x=7. So to find the odd number before 7 we need to subtract a number. The odd before 7 is 5 which is 7-2. So by subtracting 2 from a odd value you get the odd value befire it so your equation is x-2

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