document.write( "Question 314343: -5x+6y=-8\r
\n" ); document.write( "\n" ); document.write( "-8x+9y=-11 \n" ); document.write( "
Algebra.Com's Answer #224707 by checkley77(12844)\"\" \"About 
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-5x+6y=-8 multiply by 3
\n" ); document.write( "-8x+9y=-11 multiply by -2 & add.
\n" ); document.write( "-15x+18y=-24
\n" ); document.write( "16x-18y=22
\n" ); document.write( "----------------
\n" ); document.write( "x=-2 ans.
\n" ); document.write( "-5*-2+6y=-8
\n" ); document.write( "10+6y-8
\n" ); document.write( "6y=-8-10
\n" ); document.write( "6y=-18
\n" ); document.write( "y=-18/6
\n" ); document.write( "y=-3 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "-8*-2+9*-3=-11
\n" ); document.write( "16-27=-11
\n" ); document.write( "-11=-11
\n" ); document.write( " \n" ); document.write( "
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