document.write( "Question 641699: one number is 7 more than another and its square is 77 more than the square of the smaller number.what are the numbers?
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Algebra.Com's Answer #403769 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "one number \"x\" is \"7\" more than another number \"y\";\r
\n" ); document.write( "\n" ); document.write( "\"x=y%2B7\".........1\r
\n" ); document.write( "\n" ); document.write( " and its square \"x%5E2\"is \"77\" more than the square of the smaller \"y%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2=y%5E2%2B77\"...............2
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\n" ); document.write( "\n" ); document.write( "\"x=y%2B7\".........1
\n" ); document.write( "\"x%5E2=y%5E2%2B77\"...............2.....solve the system
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\n" ); document.write( "\n" ); document.write( "\"x=y%2B7\".........1...plug in 2 and solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"%28y%2B7%29%5E2=y%5E2%2B77\"...............2\r
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\n" ); document.write( "\n" ); document.write( "\"y%5E2%2B14y%2B49=y%5E2%2B77\"\r
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\n" ); document.write( "\n" ); document.write( "\"cross%28y%5E2%29%2B14y=cross%28y%5E2%29%2B77-49\"\r
\n" ); document.write( "\n" ); document.write( "\"14y=28\"\r
\n" ); document.write( "\n" ); document.write( "\"y=28%2F14\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28y=2%29\"...now find \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x=2%2B7\".........1\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=9%29\"\r
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