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07-24-2007

-5 < 3-4x < 19-8 < -4x < 16 [signs switch when divide by negative]2 > x > -4

07-24-2007	#4
nyc_transit_worker Guest Posts: n/a	-5 < 3-4x < 19-8 < -4x < 16 [signs switch when divide by negative]2 > x > -4