document.write( "Question 180237: I got this problem:\r
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document.write( "For a given two-digit positive integer, the tens digits is 5 greater than the units digit. the sum of the digits is 11. Find the integer.\r
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document.write( "I got so far this:\r
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document.write( "x(!0(5) + y(!) = 11. But that i'm not going any where. Can you tell me please what is wrong with my reasoning and can solve this.\r
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document.write( "Thank you as always \n" );
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Algebra.Com's Answer #135071 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! lets call our positive integer ab. Remember this can be written like this \n" ); document.write( ": \n" ); document.write( "10a+b \n" ); document.write( ": \n" ); document.write( "a=b+5.....eq 1 \n" ); document.write( "a+b=11....eq 2 \n" ); document.write( ": \n" ); document.write( "take a's value in eq 1 and plug it into eq 2 \n" ); document.write( ": \n" ); document.write( "b+5+b=11 \n" ); document.write( ": \n" ); document.write( "2b=6 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "our number is 83 \n" ); document.write( " |