document.write( "Question 1064446: 3 times the difference of a number and 8 is 7 less than a number \n" ); document.write( "
Algebra.Com's Answer #679553 by Alan3354(69443) You can put this solution on YOUR website! 3 times the difference of a number and 8 is 7 less than a number \n" ); document.write( "----------- \n" ); document.write( "n is a number. \n" ); document.write( "difference = |n - 8| \n" ); document.write( "3*|n-8| = n-7 \n" ); document.write( "--- \n" ); document.write( "Case 1 \n" ); document.write( "3n-24 = n-7 \n" ); document.write( "2n = 17 \n" ); document.write( "n = 8.5 \n" ); document.write( "---- \n" ); document.write( "Case 2 \n" ); document.write( "24-3n = n-7 \n" ); document.write( "31 = 4n \n" ); document.write( "n = 7.75 \n" ); document.write( "======================== \n" ); document.write( "Notice the difference can be either n-8 or 8-n. \n" ); document.write( " |