document.write( "Question 361635: two different numbers use the same two digits . the sum of the digits is 7, and the difference of the numbers is 27. find the numbers
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Algebra.Com's Answer #258071 by scott8148(6628)\"\" \"About 
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a + b = 7\r
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\n" ); document.write( "\n" ); document.write( "(10a + b) - (10b + a) = 27 ___ 9a - 9b = 27 ___ a - b = 3\r
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\n" ); document.write( "\n" ); document.write( "adding equations ___ 2a = 10 ___ a = 5\r
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\n" ); document.write( "\n" ); document.write( "substituting ___ (5) + b = 7 ___ b = 2\r
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\n" ); document.write( "\n" ); document.write( "the numbers are 25 and 52
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