document.write( "Question 236299: how do you solve this
\n" ); document.write( "x+y=9
\n" ); document.write( "-2x+y=-3\r
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Algebra.Com's Answer #173959 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
x+y=9, y=-x+9
\n" ); document.write( "-2x+y=-3
\n" ); document.write( "-2x-x+9=-3
\n" ); document.write( "-3x=-12
\n" ); document.write( "x=4
\n" ); document.write( "-----------------
\n" ); document.write( "4+y=9
\n" ); document.write( "y=5
\n" ); document.write( "---------------
\n" ); document.write( "-2*4+5=-3
\n" ); document.write( "-8+5=-3
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