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3x(1+y) = 9+z where y = 4 , x = 2
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by Ercella at October 23, 2009

its sorta a practice test but if i can't figure this out then how can i take the test!

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If y = 4 and x = 2, then 3*2(1+4) = 9+z --> 6*5-9 = z --> 21 = z. The problem was to solve for z?

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Alison037 October 24, 2009