document.write( "Question 392640: The sum of two numbers is 24. The second number is 3 times the first number. Write a system of equation that represent the information and solve by using the elimination method. \n" ); document.write( "
Algebra.Com's Answer #278673 by stanbon(75887) ![]() You can put this solution on YOUR website! The sum of two numbers is 24. The second number is 3 times the first number. Write a system of equation that represent the information and solve by using the elimination method. \n" ); document.write( "---------- \n" ); document.write( "Equations: \n" ); document.write( "x + y = 24 \n" ); document.write( "y = 3x \n" ); document.write( "----- \n" ); document.write( "Rewrite: \n" ); document.write( "x+y = 24 \n" ); document.write( "3x-y = 0 \n" ); document.write( "--- \n" ); document.write( "Add and solve for \"x\": \n" ); document.write( "4x = 24 \n" ); document.write( "x = 6 \n" ); document.write( "--- \n" ); document.write( "Substitute to solve for \"y\": \n" ); document.write( "y = 3*6 \n" ); document.write( "y = 18 \n" ); document.write( "--------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |