document.write( "Question 971856: X+y=5
\n" ); document.write( "-4x-2y=-8
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Algebra.Com's Answer #594266 by checkley77(12844)\"\" \"About 
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X+Y=5 MULTIPLY BY 2 & ADD.
\n" ); document.write( "-4X-2Y=-8
\n" ); document.write( "2X+2Y=10
\n" ); document.write( "---------
\n" ); document.write( "-2X=2
\n" ); document.write( "X=2/-2=-1 ANS.
\n" ); document.write( "-1=Y=5
\n" ); document.write( "Y=5+1=6 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "-4*-1-2*6=-8
\n" ); document.write( "4-12=-8
\n" ); document.write( "-8=-8
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