document.write( "Question 563494: x+2y=0
\n" ); document.write( "3x+4y=4
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Algebra.Com's Answer #364895 by Maths68(1474)\"\" \"About 
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x+2y=0...........(1)
\n" ); document.write( "3x+4y=4..........(2)
\n" ); document.write( "Multiply (1) by 3 both sides
\n" ); document.write( "3(x+2y)=0(3)
\n" ); document.write( "3x+6y=0...........(3)
\n" ); document.write( "Subtract (2) from (3)
\n" ); document.write( "3x+6y=0...........(3)
\n" ); document.write( "-3x-4y=-4..........(2)
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\n" ); document.write( "2y=-4
\n" ); document.write( "2y/2=-4/2
\n" ); document.write( "y=-2
\n" ); document.write( "Put the value of y in (1)
\n" ); document.write( "x+2y=0
\n" ); document.write( "x+(2)(-2)=0
\n" ); document.write( "x-4=0
\n" ); document.write( "x=4\r
\n" ); document.write( "\n" ); document.write( "x,y = 4, -2\r
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