SOLUTION: <img src="https://screenshotscdn.firefoxusercontent.com/images/11a4e984-139b-47fa-afc5-425ecec0313b.png">

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: <img src="https://screenshotscdn.firefoxusercontent.com/images/11a4e984-139b-47fa-afc5-425ecec0313b.png">       Log On


   

Question 1138061:
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
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Multiply the second equation by 2 (both sides) and then subtract from the first equation.