document.write( "Question 1043203: If x+y=12 and x-y=4, what is the value of $\"%28x%5E2-y%5E2%29%2F2x\"$
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Algebra.Com's Answer #658303 by ikleyn(52794) $\"\"$ $\"About$

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\n" ); document.write( "If x+y=12 and x-y=4, what is the value of $\"%28x%5E2-y%5E2%29%2F2x\"$
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document.write( "x + y = 12   (1)\r\n" );
document.write( "x - y =  4   (2).\r\n" );
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document.write( "Add (1)  and (2). You will get 2x = 16, hence, x = 8.\r\n" );
document.write( "Then y = 4.\r\n" );
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document.write( "From this point, complete it on your own.\r\n" );
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