Mathematics, 03.10.2019 02:00 ChiefRedCloud

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) +24

x + y = 44 + z + u

and x - y + z - u = 48

microsoft million
time warner million
yahoo million
google million
how large was the audience of each of the four companies at the end of that year?

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