document.write( "Question 66159: The sum of the digits of a two-digit number is 9. The number is 6 times the units digit. Find the number. So far I have: a+b=9, then a+6B=n and that's as far as I can get. \n" ); document.write( "
Algebra.Com's Answer #46887 by Nate(3500)\"\" \"About 
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The number: 10a + b
\n" ); document.write( "a + b = 9 which can be: a = 9 - b
\n" ); document.write( "and
\n" ); document.write( "10a + b = 6b
\n" ); document.write( "Plug:
\n" ); document.write( "10a + b = 6b
\n" ); document.write( "10(9 - b) = 5b
\n" ); document.write( "90 - 10b = 15b
\n" ); document.write( "90 = 15b
\n" ); document.write( "6 = b
\n" ); document.write( "Plug:
\n" ); document.write( "a = 9 - b = 9 - 6 = 3
\n" ); document.write( "Number: 10a + b = 10(3) + 6 = 30 + 6 = 36
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