document.write( "Question 744570: one number is 13 less than the other./ their sum is 45. what are the numbers \n" ); document.write( "
Algebra.Com's Answer #453421 by davethejackal(28)\"\" \"About 
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Let the 2 numbers = x and y.\r
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\n" ); document.write( "\n" ); document.write( "\"one number is 13 less than the other\"
\n" ); document.write( "so x = y-13[1]\r
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\n" ); document.write( "\n" ); document.write( "\" their sum is 45\"
\n" ); document.write( "so x+y=45 [2]\r
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\n" ); document.write( "\n" ); document.write( "Substitute for x in [2] using [1]
\n" ); document.write( "y-13+y=45\r
\n" ); document.write( "\n" ); document.write( "Rearranging:
\n" ); document.write( "2y=58\r
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\n" ); document.write( "\n" ); document.write( "Thus y = 29.\r
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\n" ); document.write( "\n" ); document.write( "Substituting in [1]
\n" ); document.write( "x = y-13 = 29-13 = 16.\r
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\n" ); document.write( "\n" ); document.write( "Check in [2]
\n" ); document.write( "x+y = 29+16 = 45 QED\r
\n" ); document.write( "\n" ); document.write( "The 2 numbers are 16 and 29.
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