document.write( "Question 267578: 2x+5y=3
\n" ); document.write( "-x+3y=-7 \n" ); document.write( "
Algebra.Com's Answer #196375 by checkley77(12844)\"\" \"About 
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2x+5y=3
\n" ); document.write( "-x+3y=-7 multiply by 2 & add
\n" ); document.write( "-2x+6y=-14
\n" ); document.write( "2x+5y=3
\n" ); document.write( "-------------------
\n" ); document.write( "11y=-11
\n" ); document.write( "y=-11/11
\n" ); document.write( "y=-1 ans.
\n" ); document.write( "2x+5*-1=3
\n" ); document.write( "2x-5=3
\n" ); document.write( "2x=3+5
\n" ); document.write( "2x=8
\n" ); document.write( "x=8/2
\n" ); document.write( "x=4 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "-4+3*-1=-7
\n" ); document.write( "-4-3=-7
\n" ); document.write( "-7=-7 \n" ); document.write( "
\n" );