document.write( "Question 465320: how to solve a system by elimination?
\n" ); document.write( "example : 3x - y = 13 and 3x + y = 17
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Algebra.Com's Answer #318855 by sudhanshu_kmr(1152)\"\" \"About 
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\n" ); document.write( "add both equations,\r
\n" ); document.write( "\n" ); document.write( "you will find 6x = 30 , \r
\n" ); document.write( "\n" ); document.write( "or, x = 30/6 = 5\r
\n" ); document.write( "\n" ); document.write( "now, put the value of x on first equation, \r
\n" ); document.write( "\n" ); document.write( "3*5 -y = 13\r
\n" ); document.write( "\n" ); document.write( "or -y = 13 -15\r
\n" ); document.write( "\n" ); document.write( "or y = 2\r
\n" ); document.write( "\n" ); document.write( "so, x=5, y= 2
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