document.write( "Question 731745: the sum of four times a number and 9 is same as one-third that number increased by 31. Find the number \n" ); document.write( "
Algebra.Com's Answer #448360 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! This word problem can be represented by this equation\r \n" ); document.write( "\n" ); document.write( "4n + 9 = 1/3n + 31\r \n" ); document.write( "\n" ); document.write( "we subtract 9 from both sides of the equation\r \n" ); document.write( "\n" ); document.write( "4n = 1/3n + 22\r \n" ); document.write( "\n" ); document.write( "we then multiply both sids of the equation by 3\r \n" ); document.write( "\n" ); document.write( "12n = n + 66\r \n" ); document.write( "\n" ); document.write( "subtact n from both sides\r \n" ); document.write( "\n" ); document.write( "11n = 66\r \n" ); document.write( "\n" ); document.write( "and dividing both sides by 11 we get n = 6 \n" ); document.write( " |