document.write( "Question 71641: 5th grade:\r
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document.write( "2x - y = 12\r
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document.write( "What does x = and y =
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Algebra.Com's Answer #51228 by checkley75(3666)![]() ![]() ![]() 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 \n" ); document.write( "---------------------- \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) \n" ); document.write( "---------------------- \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 \n" ); document.write( "--------------------- \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 \n" ); document.write( "--------------------- \n" ); document.write( "try some other x or y values to prove the point. \n" ); document.write( " |