document.write( "Question 246813: 2x-2y=-2
\n" ); document.write( "x-4y=5 find the ordered pairs
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Algebra.Com's Answer #180236 by checkley77(12844)\"\" \"About 
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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
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