document.write( "Question 547140: The sum of the two digits of a number is 10. If the tens’ digit is 1 more than twice the units’ digit, what is the number ? \n" ); document.write( "
Algebra.Com's Answer #356247 by JBarnum(2146)\"\" \"About 
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(ab) is the number
\n" ); document.write( "given:
\n" ); document.write( "\"a%2Bb=10\"
\n" ); document.write( "\"a=highlight%281%2B2b%29\"
\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( "\"highlight%281%2B2b%29%2Bb=10\" substitution
\n" ); document.write( "\"1%2B3b=10\" add like terms and subtract 1
\n" ); document.write( "\"3b=9\"divide by 3
\n" ); document.write( "\"b=3\"
\n" ); document.write( "\"a=7\"
\n" ); document.write( "\"highlight%2873%29\"
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