document.write( "Question 797855: -5x+12y=21
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Algebra.Com's Answer #488491 by tommyt3rd(5050)\"\" \"About 
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-5x+12y=21
\n" ); document.write( "1x-2y=-5\r
\n" ); document.write( "\n" ); document.write( "-5x12y=21
\n" ); document.write( "5x-10y=-25\r
\n" ); document.write( "\n" ); document.write( "2y=-4
\n" ); document.write( "y=-2\r
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\n" ); document.write( "\n" ); document.write( "x-2(-2)=-5
\n" ); document.write( "x=-5-4\r
\n" ); document.write( "\n" ); document.write( "x=-9
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