document.write( "Question 246813: 2x-2y=-2
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document.write( "x-4y=5 find the ordered pairs
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Algebra.Com's Answer #180236 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2x-2y=-2 multiply by -2 & add \n" ); document.write( "x-4y=5 \n" ); document.write( "-4x+4y=4 \n" ); document.write( "x-4y=5 \n" ); document.write( "-------------- \n" ); document.write( "-3x=9 \n" ); document.write( "x=9/-3 \n" ); document.write( "x=-3 ans. \n" ); document.write( "2*-3-2y=-2 \n" ); document.write( "-6-2y=-2 \n" ); document.write( "-2y=-2+6 \n" ); document.write( "-2y=4 \n" ); document.write( "y=4/-2 \n" ); document.write( "y=-2 ans. \n" ); document.write( "Proof: \n" ); document.write( "-3-4*-2=5 \n" ); document.write( "-3+8=5 \n" ); document.write( "5=5 \n" ); document.write( " |