document.write( "Question 485916: the tens digit of a number is 6 more than the ones digit. write an expression for the number. \n" ); document.write( "
Algebra.Com's Answer #332264 by Edwin McCravy(20060) You can put this solution on YOUR website! \r\n" ); document.write( "t = tens digit\r\n" ); document.write( "u = ones (or units) digit\r\n" ); document.write( "\r\n" ); document.write( "10t + u = the number\r\n" ); document.write( "\r\n" ); document.write( "The sentence:\r\n" ); document.write( "\r\n" ); document.write( ">>...the tens digit of a number is 6 more than the ones digit...<<\r\n" ); document.write( "\r\n" ); document.write( "translated into algebra is\r\n" ); document.write( "\r\n" ); document.write( "t = u + 6\r\n" ); document.write( "\r\n" ); document.write( "So to get an expression for the number we start with\r\n" ); document.write( "\r\n" ); document.write( "10t + u\r\n" ); document.write( "\r\n" ); document.write( "and substitute (u + 6) for t, and get\r\n" ); document.write( "\r\n" ); document.write( "10(u + 6) + u\r\n" ); document.write( "\r\n" ); document.write( "Then we simplify using first the distributive principle to\r\n" ); document.write( "get rid of the parantheses:\r\n" ); document.write( "\r\n" ); document.write( "10u + 60 + u\r\n" ); document.write( "\r\n" ); document.write( "Then we collect like terms 10u and u to get 11u, and the\r\n" ); document.write( "final answer is\r\n" ); document.write( "\r\n" ); document.write( "11u + 60\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |