Question 624998
First, you plug in y=3x into 2x-4y=2.  So, 2x-4(3x)=2. Multiply 3x by 4.
2x-12x=2. Subtract.  -10x=2.  Divide.  You get x=-.2.  Then plug that into one of the first equations. So, y=3(-.2). Multiply,and you get y=-.6.  The solution set is (-.2,-.6), or in fraction form (-1/5,-3/5)!