document.write( "Question 491397: Solve the system of equations\r
\n" ); document.write( "\n" ); document.write( "x + y = 5
\n" ); document.write( "x - y = -9
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Algebra.Com's Answer #334611 by ptth176(50)\"\" \"About 
You can put this solution on YOUR website!
x + y = 5(1)
\n" ); document.write( "x - y = -9(2)
\n" ); document.write( "(1)+(2)=>2x=-4>x=-2
\n" ); document.write( "(1)=>-2+y=5=>y=7
\n" ); document.write( "Finally:x=-2;y=7
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