document.write( "Question 474394: Solve the system of equations\r
\n" ); document.write( "\n" ); document.write( "x + y = 5\r
\n" ); document.write( "\n" ); document.write( "x - y = -9
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Algebra.Com's Answer #325362 by mananth(16946)\"\" \"About 
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1 x + 1 y = 5 .............1
\n" ); document.write( "1 x -1 y = -9 .............2
\n" ); document.write( "
\n" ); document.write( "multiply (1)by 1
\n" ); document.write( "Multiply (2) by 1
\n" ); document.write( "1 x + 1 y = 5
\n" ); document.write( "1 x + -1 y = -9
\n" ); document.write( "Add the two equations
\n" ); document.write( "2 x = -4
\n" ); document.write( "/ 2
\n" ); document.write( "x = -2
\n" ); document.write( "plug value of x in (1)
\n" ); document.write( "1 x + 1 y = 5
\n" ); document.write( "-2 + 1 y = 5
\n" ); document.write( " 1 y = 5 + 2
\n" ); document.write( " 1 y = 7
\n" ); document.write( " y = 7.
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