document.write( "Question 811662: Find two numbers such that the sum of the first and three times the second is 5 and the sum of second and two times the first is 8 \n" ); document.write( "
| Algebra.Com's Answer #806022 by CubeyThePenguin(3113)     You can put this solution on YOUR website! This is a repeat question.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + 3y = 5 \n" ); document.write( "2x + y = 8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply the second equation by -3 and add:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + 3y = 5 \n" ); document.write( "-6x - 3y = -24 \n" ); document.write( "------------------ \n" ); document.write( "-5x = -19 ------> x = 19/5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = (5 - 19/5)/3 = 2/5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x, y) = (19/5, 2/5) \n" ); document.write( " |