document.write( "Question 959492: One number is 9 more than 2 times another. Their product is 5 more than 3 times their sum. Find the numbers. Answer in the form of paired points with the lowest of the two integers first \n" ); document.write( "
Algebra.Com's Answer #805597 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! x = larger number \n" ); document.write( "y = smaller number\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 2y + 9 \n" ); document.write( "xy = 3(x + y) + 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute x into the second equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(2y + 9)(y) = 3(2y + 9 + y) + 5 \n" ); document.write( "2y^2 + 9y = 3(3y + 9) + 5 \n" ); document.write( "2y^2 + 9y = 9y + 32 \n" ); document.write( "2y^2 = 32 \n" ); document.write( "y^2 = 16 \n" ); document.write( "y = 4 or -4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The integers are (x, y) = (17, 4) or (1, -4) \n" ); document.write( " |