document.write( "Question 262921: 2x-y=6
\n" ); document.write( "3x+4y=-2 \n" ); document.write( "
Algebra.Com's Answer #193924 by checkley77(12844)\"\" \"About 
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2x-y=6 solve for y
\n" ); document.write( "y=2x-6
\n" ); document.write( "3x+4y=-2 replace y with (2x-6) & solve for x.
\n" ); document.write( "3x+4(2x-6)=-2
\n" ); document.write( "3x+8x-24=-2
\n" ); document.write( "11x=-2+24
\n" ); document.write( "11x=22
\n" ); document.write( "x=22/11
\n" ); document.write( "x=2 ANS.
\n" ); document.write( "y=2*2-6 substitute 2 for x & solve for y.
\n" ); document.write( "y=4-6
\n" ); document.write( "y=-2 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "3*2+4*-2=-2
\n" ); document.write( "6-8=-2
\n" ); document.write( "-2=-2
\n" ); document.write( " \n" ); document.write( "
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