document.write( "Question 111731: Use elimination to solve: 4x-y=-3
\n" ); document.write( " 5x+2y=-20
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Algebra.Com's Answer #81511 by checkley71(8403)\"\" \"About 
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5X+2Y=-20 NOW MULTIPLY THE OTHERE EQUATION BY 2 & ADD THEM:
\n" ); document.write( "8X-2Y=-6
\n" ); document.write( "--------------------
\n" ); document.write( "13X=-26
\n" ); document.write( "X=-26/13
\n" ); document.write( "X=-2 ANSWER.
\n" ); document.write( "5*-2+2Y=-20
\n" ); document.write( "-10+2Y=-20
\n" ); document.write( "2Y=-20+10
\n" ); document.write( "2Y=-10
\n" ); document.write( "Y=-10/2
\n" ); document.write( "Y=-5 ANSWER.
\n" ); document.write( "PROOF
\n" ); document.write( "4*-2-(-5)=-3
\n" ); document.write( "-8+5=-3
\n" ); document.write( "-3=-3
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