At the end of a certain year, the four companies with the largest number of home Internet users in the United States were Microsoft, Time Warner, Yahoo, and Google, with a combined audience of 284 million users. Taking x to be the Microsoft audience in millions, y the Time Warner audience in millions, z the Yahoo audience in millions, and u the Google audience in millions, it was observed that

					z		u	=	3(x y) + 12
					x	+	y	=	48 + z + u
and	x		y	+	z		u	=	44.

How large was the audience of each of the four companies at the end of that year?

Microsoft=

Time Warner=

Yahoo=

Google=