document.write( "Question 156305: When 3 times a certain number N is added to 6, the sum is 20 more than the original number. What is the number N? \n" ); document.write( "
Algebra.Com's Answer #115104 by kdr(11)![]() ![]() ![]() You can put this solution on YOUR website! The equation would be: \n" ); document.write( "3N + 6 = N + 20 \n" ); document.write( "Subtract N from each side: \n" ); document.write( "2N + 6 = 20 \n" ); document.write( "Subtract 6 from each side: \n" ); document.write( "2N = 14 \n" ); document.write( "Divide each side by 2: \n" ); document.write( "N =7\r \n" ); document.write( "\n" ); document.write( "Check: \n" ); document.write( "3(7) + 6 = 7 + 20 \n" ); document.write( "21 + 6 = 27 \n" ); document.write( "27 = 27 \n" ); document.write( " |