How do I solve the followinf equation using the elmination method?

p = 28 +q

3p = -9q+120

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- October 20th 2008, 11:38 AM #1

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- October 20th 2008, 11:52 AM #2

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- October 20th 2008, 12:10 PM #4

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- October 20th 2008, 12:22 PM #5

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