document.write( "Question 705293: Solve by elimination
\n" ); document.write( "7x+5y=-12
\n" ); document.write( "3x-4y=1 \n" ); document.write( "
Algebra.Com's Answer #434577 by checkley79(3341)\"\" \"About 
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7x+5y=-12 MULTIPLY BY 4
\n" ); document.write( "3x-4y=1 MULTIPLY BY 5 & ADD.
\n" ); document.write( "28X+20Y=-48
\n" ); document.write( "15X-20Y=5
\n" ); document.write( "---------------------
\n" ); document.write( "43X=-43
\n" ); document.write( "X=-43/43
\n" ); document.write( "X=-1 ANS.
\n" ); document.write( "7*-1+5Y=-12
\n" ); document.write( "-7+5Y=-12
\n" ); document.write( "5Y=-12+7
\n" ); document.write( "5Y=-5
\n" ); document.write( "Y=-5/5
\n" ); document.write( "Y=-1 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "3*-1-4*1=1
\n" ); document.write( "-3+4=1
\n" ); document.write( "1=1\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
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