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posted by Brennan Friday, November 30, 2012 at 1:32pm.

(x-3)/(6)-(7)/(15)≤(3x-1)/(10)

LCM(6,15,10) = 30, so if you multiply all the terms by 30, you get 5(x-3) - 2(7) <= 3(3x-1) 5x-3-14 <= 9x-3 -4x <= 14 x >= 7/2

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