taylorb807 taylorb807

27-08-2014
Mathematics

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15 decreased by twice a number algebraic expression?

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TaylorBayley TaylorBayley

27-08-2014

15-2x
A number is a variable so use a letter like x for them

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27-08-2014

[tex]x-\ number\\\\twice\ a\ number:\\2x \\\\ Write\ it\ as\ a \ function: \\y=15-2x[/tex]

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