document.write( "Question 71641: 5th grade:\r
\n" ); document.write( "\n" ); document.write( "2x - y = 12\r
\n" ); document.write( "\n" ); document.write( "What does x = and y =
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Algebra.Com's Answer #51228 by checkley75(3666)\"\" \"About 
You can put this solution on YOUR website!
2x-y=12
\n" ); document.write( "2x=y+12
\n" ); document.write( "x=y/2+12/2
\n" ); document.write( "x=y/2+6
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\n" ); document.write( "2x-y=12
\n" ); document.write( "-y=-2x+12
\n" ); document.write( "y=2x-12
\n" ); document.write( "y=2(x-6)
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\n" ); document.write( "there is an infinite number of solution for x & y.
\n" ); document.write( "if x=6 then 6=y/2+6
\n" ); document.write( "y/2=6-6
\n" ); document.write( "y/2=0
\n" ); document.write( "y=0
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\n" ); document.write( "if y=12 then 12=2(x-6)
\n" ); document.write( "12=2x-12
\n" ); document.write( "2x=24
\n" ); document.write( "x=24/2
\n" ); document.write( "x=12
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\n" ); document.write( "try some other x or y values to prove the point.
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