document.write( "Question 403600: Use substitution or elimination to solve each system of equations.\r
\n" ); document.write( "\n" ); document.write( "2x + 5y= 16
\n" ); document.write( "5x - 2y=11
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Algebra.Com's Answer #285357 by mananth(16946)\"\" \"About 
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2x + 5y= 16..............1
\n" ); document.write( "5x - 2y=11...............2\r
\n" ); document.write( "\n" ); document.write( "...
\n" ); document.write( "multiply (1) by 2 & (2) by 5\r
\n" ); document.write( "\n" ); document.write( "we get
\n" ); document.write( "4x+10y=32
\n" ); document.write( "25x-10y=55\r
\n" ); document.write( "\n" ); document.write( "add them
\n" ); document.write( "29x=87
\n" ); document.write( "/29
\n" ); document.write( "x=3
\n" ); document.write( "...
\n" ); document.write( "plug value of x in (1)
\n" ); document.write( "2x+5y=16
\n" ); document.write( "2*3+5y=16
\n" ); document.write( "6+5y=16
\n" ); document.write( "5y=10
\n" ); document.write( "/5
\n" ); document.write( "y=2\r
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